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Fast synonyms

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Moving or capable of moving with great speed; rapid; fast
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  1. Moving or capable of moving with great speed; rapid; fast
  2. Coming, occurring, or accomplished quickly:
  3. Acting or responding quickly; prompt; ready
Happening sooner than expected.
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  1. Happening sooner than expected.
  2. Moving or progressing faster than is usual.
Containing or caused by the action of the element mercury.
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  1. Containing or caused by the action of the element mercury.
  2. Caused by the action or use of mercury
  3. Having qualities suggestive of mercury; quick, quick-witted, volatile, changeable, fickle, etc.
Based on little or no evidence or probability; unfounded:
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  1. Based on little or no evidence or probability; unfounded:
  2. Occurring, growing, or living in a natural state; not domesticated, cultivated, or tamed:
  3. Characterized by a lack of moral restraint; dissolute or licentious:
Done or performed swiftly in or as if in the air:
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  1. Done or performed swiftly in or as if in the air:
  2. Capable of or engaged in flight:
  3. Swiftly moving; fleet:
Moving quickly and lightly
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  1. Moving quickly and lightly
  2. Quick, clever, and acute in devising or understanding:
  3. Quick, light, or agile in movement or action; deft:
Of or characteristic of flirtation
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  1. Of or characteristic of flirtation
  2. Full of playful allure:
  3. (Of a person) Having a tendency to flirt often.
Fleeting; evanescent.
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  1. Fleeting; evanescent.
  2. Swift; rapid
  3. Moving swiftly and nimbly.
Designating a reference source designed to provide basic or essential information in a format that is easy to use
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  1. Designating a reference source designed to provide basic or essential information in a format that is easy to use
  2. Done or occurring immediately:
  3. Moving or functioning rapidly and energetically; speedy:
Characterized by speed of motion; rapid; swift
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  1. Characterized by speed of motion; rapid; swift
  2. Without delay; quick; prompt
Stimulating or invigorating.
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  1. Stimulating or invigorating.
  2. Quick in manner or movement; energetic
  3. Active; busy
  1. Fast, prompt, speedy.
  2. Done with or characterized by expedition; efficient and speedy; prompt
  3. (Of a process or thing) Completed or done with efficiency and speed; facilitating speed.
Specific
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  1. Specific
  2. Fast, direct, and making few stops
  3. Designed for use in an express rifle:
Showing irritation or impatience
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  1. Showing irritation or impatience
  2. Acting with too much speed or haste; hurried:
  3. Acting in haste; being too hurried or quick. (e.g. Without much thinking about it they made a hasty decision to buy it.)
Taking place at high speed:
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  1. Taking place at high speed:
  2. Having a speed of 50–500 frames per second, as movie film, to record events that occur too rapidly for usual photography.
  3. That operates, moves or takes place at a greater than normal speed.
Involving or requiring physical exertion and energy:
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  1. Involving or requiring physical exertion and energy:
  2. Producing an intended action or effect:
  3. Currently in use or effect:
Marked by showy elegance; splendid:
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  1. Marked by showy elegance; splendid:
  2. Chic, fashionable.
  3. Full of dash or spirit; bold and lively
That will keep its original color without fading or running
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  1. That will keep its original color without fading or running
  2. Having color that will not run or fade with washing or wear:
Lasting in spite of hard wear or frequent use
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  1. Lasting in spite of hard wear or frequent use
  2. Capable of withstanding wear and tear or decay:
  3. Lasting; stable:
Continuing or remaining for a long time; enduring:
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  1. Continuing or remaining for a long time; enduring:
Capable of being washed without fading or other injury:
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  1. Capable of being washed without fading or other injury:
That keeps out water completely; esp., treated with rubber, plastic, etc. so that water will not penetrate
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  1. That keeps out water completely; esp., treated with rubber, plastic, etc. so that water will not penetrate
  2. Made of or covered with material that doesn't allow water in.
Intellectually powerful; able to think vigorously and clearly
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  1. Intellectually powerful; able to think vigorously and clearly
  2. In good or sound health; robust:
  3. Forceful and pointed; emphatic:
Lofty; sublime
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  1. Lofty; sublime
  2. Moving on or as if on wings; flying.
  3. Having wings of a specified kind. Often used in combination:
Resembling or characteristic of lightning.
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  1. Resembling or characteristic of lightning.
That can run swiftly
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(Of a speed, aviation) equal to, or greater than, or capable of achieving, five times the speed of sound.
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  1. (Of a speed, aviation) equal to, or greater than, or capable of achieving, five times the speed of sound.
  2. (Of a speed, aeronautics) far enough above the speed of sound so as to cause significant differences in behaviour due to chemical reactions or disassociation of the air.
Amplified by an electronic device:
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  1. Amplified by an electronic device:
  2. Emotionally exciting; thrilling:
  3. Exceptionally tense; highly charged with emotion:
Keen and lively
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  1. Keen and lively
  2. Characterized by quickness, lightness, and ease of movement; nimble.
  3. Quick and easy of movement; deft and active
Likely or about to do something:
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  1. Likely or about to do something:
  2. Prompt in apprehending or reacting:
  3. Prepared or available for service, action, or progress:
Passing swiftly; not lasting
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  1. Passing swiftly; not lasting
  2. Passing quickly; ephemeral:
  3. Passing quickly.
(Music) Having a fast tempo.
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  1. (Music) Having a fast tempo.
  2. Fast-paced:
  3. Having a fast or lively tempo:
Moving or acting rapidly.
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  1. Moving or acting rapidly.
  2. Done in great haste:
  3. Required to move or act more rapidly; rushed.
Falling steeply, rushing headlong, flowing swiftly, etc.
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  1. Falling steeply, rushing headlong, flowing swiftly, etc.
  2. Acting, happening, or done very hastily or rashly; impetuous; headstrong
  3. Acting with or marked by excessive haste and lack of due deliberation.
Likely to cause an accident:
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  1. Likely to cause an accident:
  2. Very fast, reckless, dangerous, etc.
Moving with uncontrolled speed and force
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  1. Moving with uncontrolled speed and force
  2. With or done with the head first or foremost; headfirst
  3. Done with the head leading; headfirst:
Firmly resolved or recklessly determined
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  1. Firmly resolved or recklessly determined
  2. Moving fast or recklessly
Not likely to fail or give way; stable:
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  1. Not likely to fail or give way; stable:
  2. Free from danger or attack:
  3. Reliable; dependable:
(Biology) Fixed to a surface for one part of the life cycle, as the barnacle.
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  1. (Biology) Fixed to a surface for one part of the life cycle, as the barnacle.
  2. Feeling affection for someone; fond or involved:
  3. (Architecture) Joined to or by a wall, especially by sharing a wall with another building; not freestanding:
Not capable of being affected or moved in feeling; impassive.
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  1. Not capable of being affected or moved in feeling; impassive.
  2. That cannot be moved; firmly fixed; not capable of movement
  3. (Law) Of or relating to things, such as trees and buildings, attached to real property:
Exciting or expressing sexual desire:
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  1. Exciting or expressing sexual desire:
  2. Lascivious or promiscuous. Used especially of women.
  3. Reckless; extremely careless; acting with utter disregard for others; implies conduct that is beyond mere negligence. In criminal law, malicious or malevolent intent. Reckless; extremely careless; acting with utter disregard for others; implies conduct that is beyond mere negligence. In criminal law, malicious or malevolent intent.
Free from confinement or imprisonment; unfettered:
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  1. Free from confinement or imprisonment; unfettered:
  2. Not compact or dense in arrangement or structure:
  3. Not fastened, restrained, or contained:
Making a mark not easily erased or washed away:
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  1. Making a mark not easily erased or washed away:
  2. Leaving a lasting mark
  3. That cannot be erased, blotted out, eliminated, etc.; permanent; lasting
The act of voluntarily doing without some or all food, drink, or other pleasures
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  1. The act of voluntarily doing without some or all food, drink, or other pleasures
  2. (R.C.Ch.) Abstention from flesh meat on certain designated days
  3. The act or practice of refraining from indulging an appetite or desire, especially for alcoholic drink or sexual intercourse.
A religious holy day, etc. observed by fasting
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  1. A religious holy day, etc. observed by fasting
In the Middle Ages, the period from Martinmas (November 11) to Christmas
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  1. In the Middle Ages, the period from Martinmas (November 11) to Christmas
  2. A 40-day period of fasting and penitence observed by many Christians in preparation for Easter. In Western churches, Lent lasts from Ash Wednesday until Easter, usually excepting Sundays.
  3. The period of forty weekdays from Ash Wednesday to Easter, observed variously in Christian churches by fasting and penitence
The ninth month of the Muslim year, a period of daily fasting from sunrise to sunset
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  1. The ninth month of the Muslim year, a period of daily fasting from sunrise to sunset
  2. A fast, held from sunrise to sunset, that is carried out during this period.
One of the Jewish High Holidays, the Day of Atonement, a fast day of repentance during which the prayers recited include the Kol Nidre, observed on the 10th day of Tishri: Lev. 16:29-34
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  1. One of the Jewish High Holidays, the Day of Atonement, a fast day of repentance during which the prayers recited include the Kol Nidre, observed on the 10th day of Tishri: Lev. 16:29-34
(Idiomatic) In modern usage it refers to a picnic or cookout for the ship's crew.
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  1. (Idiomatic) In modern usage it refers to a picnic or cookout for the ship's crew.
  2. (Dated, nautical, idiomatic) In British naval tradition, this originally referred to a day of the week when galley kitchens served no meat on board ship.
A restrictive diet (of bread and water, for example) as a punishment or religious form of discipline.
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  1. A restrictive diet (of bread and water, for example) as a punishment or religious form of discipline.
Loss of appetite, especially as a result of disease.
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  1. Loss of appetite, especially as a result of disease.
  2. An eating disorder, chiefly in young women, characterized by aversion to food and obsession with weight loss, and manifested in self-induced starvation and excessive exercise, etc.
  3. Anorexia nervosa.
A voluntary fast undertaken as a means of political protest, as by a prisoner.
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  1. A voluntary fast undertaken as a means of political protest, as by a prisoner.
  2. A fast undertaken as a means of protest, often by a prisoner
  3. A form of protest in which a prisoner or demonstrator refuses to eat until certain demands are met
To suffer or become weak from hunger
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  1. To suffer or become weak from hunger
  2. To suffer or die from extreme or prolonged lack of food.
  3. To cause to starve by depriving of food
To regulate or prescribe food and drink for.
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  1. To regulate or prescribe food and drink for.
  2. To eat or cause to eat special or limited food, esp. for losing weight
Likely to cause an accident:
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  1. Likely to cause an accident:
  2. Very fast, reckless, dangerous, etc.
  1. Fast, prompt, speedy.
  2. Done with or characterized by expedition; efficient and speedy; prompt
  3. (Of a process or thing) Completed or done with efficiency and speed; facilitating speed.
Fleeting; evanescent.
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  1. Fleeting; evanescent.
  2. Moving swiftly and nimbly.
  3. Swift; rapid
Moving or functioning rapidly and energetically; speedy:
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  1. Moving or functioning rapidly and energetically; speedy:
  2. Done or occurring immediately:
  3. Perceiving or responding with speed and sensitivity; keen:
Moving, acting, or occurring with great speed.
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  1. Moving, acting, or occurring with great speed.
  2. Moving, progressing, or occurring with speed; swift; fast; quick
Without delay; quick; prompt
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  1. Without delay; quick; prompt
  2. Characterized by rapid motion; swift.
Acting or responding quickly; prompt; ready
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  1. Acting or responding quickly; prompt; ready
  2. Moving or capable of moving with great speed; rapid; fast
  3. Coming, occurring, or accomplished quickly:
At breakneck speed:
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  1. At breakneck speed:
  2. With all of one's energy, will, etc.; with wholehearted or reckless determination
  3. At full speed or with great speed
Using relatively few words; concise
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  1. Using relatively few words; concise
  2. Short in time, duration, length, or extent.
  3. Of short duration or extent
  1. Fast, prompt, speedy.
  2. Done with or characterized by expedition; efficient and speedy; prompt
  3. (Of a process or thing) Completed or done with efficiency and speed; facilitating speed.
Capable of or engaged in flight:
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  1. Capable of or engaged in flight:
  2. Hasty and brief
  3. Of or relating to aviation:
Showing irritation or impatience
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  1. Showing irritation or impatience
  2. Acting with too much speed or haste; hurried:
  3. Acting in haste; being too hurried or quick. (e.g. Without much thinking about it they made a hasty decision to buy it.)
Moving or acting rapidly.
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  1. Moving or acting rapidly.
  2. Done in great haste:
  3. Required to move or act more rapidly; rushed.
Perceiving or responding with speed and sensitivity; keen:
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  1. Perceiving or responding with speed and sensitivity; keen:
  2. Moving or functioning rapidly and energetically; speedy:
  3. Occurring, achieved, or acquired in a relatively brief period of time:
Moving, acting, or occurring with great speed.
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  1. Moving, acting, or occurring with great speed.
  2. Moving, progressing, or occurring with speed; swift; fast; quick
(Phonet.) Articulated for a relatively short time; brief in duration
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  1. (Phonet.) Articulated for a relatively short time; brief in duration
  2. Containing a large amount of shortening; flaky:
  3. Easily provoked; irascible:
Characterized by speed of motion; rapid; swift
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  1. Characterized by speed of motion; rapid; swift
  2. Without delay; quick; prompt
Moving or capable of moving with great speed; rapid; fast
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  1. Moving or capable of moving with great speed; rapid; fast
  2. Coming, occurring, or accomplished quickly:
  3. Quick to act or react:
Deserted; forsaken.
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  1. Deserted; forsaken.
  2. (Geology) No longer being acted upon by the geologic forces that formed it.
  3. Self-abandoned, or given up to vice; immoral; extremely wicked, or sinning without restraint; irreclaimably wicked; as, an abandoned villain. [First attested from 1350 to 1470]
Intemperate in the pursuit of pleasure; dissolute.
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  1. Intemperate in the pursuit of pleasure; dissolute.
  2. Irreversibly lost. Used of energy.
  3. To have squandered and scattered valuable possessions while devoted to pursuit of self-indulgent pleasures
Dissipated and immoral; profligate; debauched
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  1. Dissipated and immoral; profligate; debauched
  2. Lacking moral restraint; indulging in sensual pleasures or vices.
Given to social life and pleasures
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  1. Given to social life and pleasures
  2. Of, for, or relating to homosexuals, often, specif., male homosexuals
  3. Given to social pleasures, especially at the expense of serious pursuits:
Lacking sexual restraint; unchaste.
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  1. Lacking sexual restraint; unchaste.
  2. Lacking normal voluntary control of excretory functions.
  3. Without the normal ability to restrain a particular natural discharge, as of urine, from the body
(Rare) Disregarding accepted rules and standards
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  1. (Rare) Disregarding accepted rules and standards
  2. Morally unrestrained, esp. in sexual activity; lascivious
  3. Lacking moral restraint, especially in sexual conduct.
Extremely wasteful; recklessly extravagant
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  1. Extremely wasteful; recklessly extravagant
  2. Given to or characterized by licentiousness or dissipation:
  3. Given to or characterized by reckless waste; wildly extravagant:
  1. Like a rake; dissolute
  2. Having a trim, neat appearance suggesting speed
  3. Of the character of a rake; dissolute.
Not wearing or not fitted with a bridle:
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  1. Not wearing or not fitted with a bridle:
  2. Not fitted with a bridle
  3. Without restraint or boundary
Not under control, discipline, or governance.
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  1. Not under control, discipline, or governance.
  2. Not controlled
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  1. Not inhibited; having no inhibitions.
  2. Without inhibition; esp., free from the usual social or psychological restraints, as in behavior
Uninhibited or unreserved:
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  1. Uninhibited or unreserved:
  2. Immoderate; not restrained or held in check
  3. Not controlled or held in check; immoderate:
Exciting or expressing sexual desire:
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  1. Exciting or expressing sexual desire:
  2. Lascivious or promiscuous. Used especially of women.
  3. Reckless; extremely careless; acting with utter disregard for others; implies conduct that is beyond mere negligence. In criminal law, malicious or malevolent intent. Reckless; extremely careless; acting with utter disregard for others; implies conduct that is beyond mere negligence. In criminal law, malicious or malevolent intent.
Deviating greatly from an intended course; erratic:
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  1. Deviating greatly from an intended course; erratic:
  2. Occurring, growing, or living in a natural state; not domesticated, cultivated, or tamed:
  3. Characterized by a lack of moral restraint; dissolute or licentious:
Free from worry, anxiety, trouble, or pain:
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  1. Free from worry, anxiety, trouble, or pain:
  2. Requiring or exhibiting little effort or endeavor; undemanding:
  3. Light; gentle:
Morally unrestrained; licentious
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  1. Morally unrestrained; licentious
Requiring relatively little equipment and using relatively simple processes to produce consumer goods:
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  1. Requiring relatively little equipment and using relatively simple processes to produce consumer goods:
  2. Easy to digest
  3. Easy to bear or endure:
Not tight; giving enough room
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  1. Not tight; giving enough room
  2. Not strained or hard
  3. (Informal) Relaxed; easy; unconstrained
Lascivious or promiscuous. Used especially of women.
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  1. Lascivious or promiscuous. Used especially of women.
  2. Reckless; extremely careless; acting with utter disregard for others; implies conduct that is beyond mere negligence. In criminal law, malicious or malevolent intent. Reckless; extremely careless; acting with utter disregard for others; implies conduct that is beyond mere negligence. In criminal law, malicious or malevolent intent.
  3. Exciting or expressing sexual desire:
Of or characteristic of whores or a whore; lewd.
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  1. Of or characteristic of whores or a whore; lewd.
Having color that will not run or fade with washing or wear:
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  1. Having color that will not run or fade with washing or wear:
  2. That will keep its original color without fading or running
Making a mark not easily erased or washed away:
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  1. Making a mark not easily erased or washed away:
  2. Unable to be forgotten; memorable:
  3. Leaving a lasting mark
Securely fixed in place:
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  1. Securely fixed in place:
  2. Legally or formally concluded; definite; final
  3. Constant; steadfast:
Free from danger or attack:
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  1. Free from danger or attack:
  2. Not likely to fail or give way; stable:
  3. Reliable; dependable:
That retains well; retentive
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  1. That retains well; retentive
  2. Characterized by extreme persistence; relentless or enduring:
  3. Holding together firmly; cohesive:
Marked by full control over elements or subordinates; firm:
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  1. Marked by full control over elements or subordinates; firm:
  2. Stretched or drawn out fully:
  3. Barely profitable:
Unfluctuating; steady:
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  1. Unfluctuating; steady:
  2. Legally or formally concluded; definite; final
  3. Strong and sure:
Reliable; dependable:
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  1. Reliable; dependable:
  2. Not likely to fail or give way; stable:
  3. Reliable; dependable
Not showing or marked by erratic or volatile emotions or behavior:
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  1. Not showing or marked by erratic or volatile emotions or behavior:
  2. Not likely to change or be affected adversely; lasting; enduring
  3. Not likely to break down, fall apart, or give way; fixed
Not given to sudden changes in behavior, loyalty, disposition, etc.
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  1. Not given to sudden changes in behavior, loyalty, disposition, etc.
  2. Not easily excited or upset:
  3. Direct and unfaltering; sure.
That will not fail; always effective
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  1. That will not fail; always effective
  2. (Obs.) Secure or safe
  3. Having one's course directed; destined or bound:
Steadfastly loyal, especially to a monarch or government.
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  1. Steadfastly loyal, especially to a monarch or government.
Remaining steady in affections or loyalties; faithful
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  1. Remaining steady in affections or loyalties; faithful
  2. Steadfast in purpose, loyalty, or affection; faithful.
  3. Regularly recurring:
Engaging in sex only with one's spouse or only with one's partner in a sexual relationship.
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  1. Engaging in sex only with one's spouse or only with one's partner in a sexual relationship.
  2. Adhering firmly and devotedly, as to a person, cause, or idea; loyal.
  3. Consistent with truth or actuality:
Not yielding easily under pressure; solid; hard
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  1. Not yielding easily under pressure; solid; hard
  2. Unfluctuating; steady:
  3. Constant; steadfast:
A city of eastern Belgium near the Dutch and German borders. First mentioned in 558, it was a noted intellectual center in the Middle Ages. Liège was held by France from 1794 to 1815 and by the Netherlands from 1815 to 1830.
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  1. A city of eastern Belgium near the Dutch and German borders. First mentioned in 558, it was a noted intellectual center in the Middle Ages. Liège was held by France from 1794 to 1815 and by the Netherlands from 1815 to 1830.
  2. Bound to give service and allegiance to the lord
  3. Loyal; faithful
Faithful to the constituted authority of one's country
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  1. Faithful to the constituted authority of one's country
  2. Faithful to those persons, ideals, etc. that one is under obligation to defend, support, or be true to
  3. Faithful to a person, ideal, custom, cause, or duty.
Strong; solidly made; substantial
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  1. Strong; solidly made; substantial
  2. Firm; steadfast; loyal
  3. Firm and steadfast; loyal or true.
Firm, fixed, settled, or established
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  1. Firm, fixed, settled, or established
  2. Not changing, fickle, or wavering; constant
  3. Firmly loyal or constant; unswerving.
Properly called:
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  1. Properly called:
  2. Exactly conforming to a rule, standard, or pattern:
  3. Reliable; accurate:

Synonym Study

  • Hasty suggests hurried action and may connote carelessness, rashness, or impatience
  • Speedy intensifies the idea of quickness, but may also connote high velocity a speedy recovery, a speedy flight
  • Quick implies promptness of action, or occurrence in a brief amount of time, rather than velocity a quick reply
  • Fleet suggests a nimbleness or lightness in that which moves swiftly
  • Swift implies great rapidity, but in addition often connotes smooth, easy movement
  • Fast and rapid are generally interchangeable in expressing the idea of a relatively high rate of movement or action, but fast more often refers to the person or thing that moves or acts, and rapid to the action a fast typist, rapid transcription
Find another word for fast. In this page you can discover 171 synonyms, antonyms, idiomatic expressions, and related words for fast, like: like-a-bat-out-of-hell, swift, accelerated, swift as an arrow, mercurial, wild, flying, nimble, like a flash, lickety-split and flirtatious.