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Stupid synonyms
sto͝o'pĭd, styo͝o'-
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Crazy; deranged.
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  1. Crazy; deranged.
  2. (Scot.) Merry or frolicsome in a giddy way
  3. Silly; foolish
(Slang) like something a bonehead would do
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  1. (Slang) like something a bonehead would do
Lacking knowledge (in a particular area or matter)
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  1. Lacking knowledge (in a particular area or matter)
  2. Resulting from ignorance; foolish; silly.
  3. Having little knowledge, education, or experience; uneducated; inexperienced
Deserving ridicule
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  1. Deserving ridicule
  2. Deserving or inspiring ridicule; absurd, preposterous, or silly.
Marked by or indicating a lack of maturity; puerile:
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  1. Marked by or indicating a lack of maturity; puerile:
  2. Of, like, or characteristic of a child
  3. Behaving immaturely.
(Slang) Insane; crazy
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  1. (Slang) Insane; crazy
  2. Mentally deranged; crazy.
Having no real point or purpose; nonsensical; meaningless
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  1. Having no real point or purpose; nonsensical; meaningless
  2. Not having or showing good sense; stupid; foolish
  3. (Informal) Unconscious, usually as a result of physical trauma.
(Not comparable) Having no brain.
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  1. (Not comparable) Having no brain.
  2. Foolish or stupid
  3. (Comparable) Unintelligent, with little common sense.
Showing foolishness or stupidity.
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  1. Showing foolishness or stupidity.
  2. Of, having the nature of, or characteristic of an idiot; very foolish or stupid
  3. Exhibiting profound mental retardation. The term belongs to a classification system no longer in use and is now considered offensive.
Not pretentious, guileful, or deceitful; humble or sincere:
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  1. Not pretentious, guileful, or deceitful; humble or sincere:
  2. Having little or no ornamentation; not embellished or adorned:
  3. (--- Biology) Having no divisions or branches; not compound:
Having little depth; significantly less deep than wide.
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  1. Having little depth; significantly less deep than wide.
  2. Measuring little from bottom to top or surface; lacking physical depth.
  3. Not intellectually deep; not penetrating deeply; simple; not wise or knowing.
Performed, carried out, or done without the benefit of wise counsel or careful prior deliberation.
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  1. Performed, carried out, or done without the benefit of wise counsel or careful prior deliberation.
  2. Showing or resulting from a lack of sound advice or careful consideration; unwise
Unwise or indiscreet; not prudent.
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  1. Unwise or indiscreet; not prudent.
  2. Not prudent; without thought of the consequences; lacking in judgment or caution; rash; indiscreet
Lacking wit or intelligence; foolish
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  1. Lacking wit or intelligence; foolish
Being a syllable in Greek and Latin prosody whose length does not fit the metric pattern.
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  1. Being a syllable in Greek and Latin prosody whose length does not fit the metric pattern.
  2. Lacking the power to reason
  3. Marked by a lack of accord with reason or sound judgment:
Lacking sense or substance:
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  1. Lacking sense or substance:
Lacking intelligence or good sense; foolish.
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  1. Lacking intelligence or good sense; foolish.
  2. Giving or showing little attention or care; heedless:
  3. Not using one's mind; showing little or no intelligence or intellect; senseless or thoughtless
So absurd or incongruous as to be laughable.
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  1. So absurd or incongruous as to be laughable.
  2. So absurd, ridiculous, or exaggerated as to cause or merit laughter
Disregarding evidence, sound logic, etc.
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  1. Disregarding evidence, sound logic, etc.
  2. (Botany) Failing to produce flowers or fruits:
  3. Performed by instruments and without the use of sight:
Impossible to take seriously; silly:
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  1. Impossible to take seriously; silly:
  2. Extremely unreasonable, incongruous, or inappropriate:
  3. Of, relating to, or manifesting the view that there is no order or meaning in human life or in the universe.
Suspiciously odd:
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  1. Suspiciously odd:
  2. Difficult to account for; unusual or odd:
  3. Appropriate as the subject of a joke; deserving of a joke. Used in negative sentences to express disapproval or to emphasize the seriousness of something:
(Obs.) Of or fit for comedy
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  1. (Obs.) Of or fit for comedy
  2. (Archaic) Originally, relating to comedy.
  3. Causing amusement; humorous; funny; droll
Lacking seriousness or responsibleness; frivolous:
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  1. Lacking seriousness or responsibleness; frivolous:
  2. Having or exhibiting a lack of good judgment or common sense; foolish.
  3. (Obs.) Simple; plain; innocent
So ridiculous as to deserve laughter or scorn; ludicrous
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  1. So ridiculous as to deserve laughter or scorn; ludicrous
  2. Of such a nature as to cause laughter; amusing
  3. Fitted to excite laughter; humorous.
  1. Without sense; unmeaning; absurd; foolish; irrational; preposterous.
  2. Lacking intelligible meaning:
  3. Unintelligible, foolish, silly, absurd, etc.
Without logic; senseless.
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  1. Without logic; senseless.
  2. Contrary to logic; lacking sense or sound reasoning.
  3. Not logical or reasonable; using, based on, or caused by faulty reasoning
Lacking discretion; injudicious:
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  1. Lacking discretion; injudicious:
  2. Not discreet; lacking prudence, as in speech or action
  3. Not discreet; wanting in discretion.
  1. Not intelligent.
  2. Having or showing a lack or deficiency of intelligence
  3. Having or displaying a lack or small amount of intelligence.
Marked by a lack of responsibility:
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  1. Marked by a lack of responsibility:
  2. Said or done as by an irresponsible person
  3. Not responsible; not subject to responsibility; not to be held accountable, or called into question.
Characteristic of a coquet.
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  1. Characteristic of a coquet.
  2. As a young, flirting girl.
Absent-minded, forgetful, distractable.
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  1. Absent-minded, forgetful, distractable.
  2. Having the qualities of a scatterbrain.
So senseless or unreasonable as to seem insane; crazy
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  1. So senseless or unreasonable as to seem insane; crazy
Out of control.
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  1. Out of control.
  2. Intensely involved or preoccupied:
  3. In love; experiencing romantic feelings.
Of, like, or having to do with comedy
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  1. Of, like, or having to do with comedy
  2. Amusing; humorous:
  3. Amusing or intended to be amusing; humorous; funny
Not determined by reason; capricious; arbitrary; irrational.
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  1. Not determined by reason; capricious; arbitrary; irrational.
  2. Unsupported by a valid exception to requirements of a warrant; for example, unreasonable search and seizure.
  3. Having or showing little sense or judgment; not rational
Highly improbable or illusory:
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  1. Highly improbable or illusory:
  2. Absurd; impossible
  3. Imaginary; fantastic; unreal
Of, relating to, or resembling an ass.
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  1. Of, relating to, or resembling an ass.
  2. Utterly stupid or silly:
  3. Of or like an ass; esp., having qualities regarded as characteristic of asses; stupid, silly, obstinate, etc.
Not giving sufficient attention or thought, especially concerning the avoidance of harm or mistakes. [from 16th c.]
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  1. Not giving sufficient attention or thought, especially concerning the avoidance of harm or mistakes. [from 16th c.]
  2. Not paying enough attention; not thinking before one acts or speaks; neglectful; heedless; inconsiderate
  3. Done or made without enough attention, precision, etc.; not painstaking or thorough
Complacently stupid or inane; silly; foolish
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  1. Complacently stupid or inane; silly; foolish
  2. Foolish or silly, especially in a smug or self-satisfied way:
Lacking in sense; foolish or crazy.
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  1. Lacking in sense; foolish or crazy.
  2. (Slang) Crazy; foolish; silly
Broken into small or coarse pieces:
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  1. Broken into small or coarse pieces:
  2. Broken so that fissures appear on the surface:
  3. Broken or fractured, usually without complete separation of parts; having a crack or cracks
Somewhat unbalanced mentally; touched.
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  1. Somewhat unbalanced mentally; touched.
  2. (Dial.) Touched; slightly demented
  3. (Chiefly US, colloquial) Touched: mildly deranged, somewhat mentally dysfunctional.
Crazy; demented
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  1. Crazy; demented
  2. Extremely foolish or silly.
  3. (Of a person) insane
Mentally deranged; crazy.
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  1. Mentally deranged; crazy.
  2. (Slang) Crazy or eccentric
(Slang) Enthusiastic, often to excess
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  1. (Slang) Enthusiastic, often to excess
  2. Odd, foolish, crazy, etc.
  3. Having a flavor like that of nuts:
Hard to penetrate; thick:
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  1. Hard to penetrate; thick:
  2. Permitting little light to pass through, because of compactness of matter:
  3. Slow to apprehend; thickheaded.
Not sharp, pointed, or acute in form; blunt.
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  1. Not sharp, pointed, or acute in form; blunt.
  2. Characterized by a lack of intelligence or sensitivity:
  3. Slow to understand or perceive; dull or insensitive
Not having or exhibiting intellectual or mental quickness:
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  1. Not having or exhibiting intellectual or mental quickness:
  2. Allowing movement or action only at a low speed:
  3. Marked by a retarded tempo:
(Slang) Inept, ineffectual, pathetic, etc.
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  1. (Slang) Inept, ineffectual, pathetic, etc.
  2. Slowed or delayed in development or progress, esp. because of mental retardation
  3. (Often Offensive) Affected with impaired intellectual development.
Slow-witted
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  1. Slow-witted
  2. Having a dull, blunt wit or mind.
  3. Alternative spelling of dull-witted.
Of, causing, or characterized by lethargy.
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  1. Of, causing, or characterized by lethargy.
  2. Sluggish, slow
  3. Having lethargy; abnormally drowsy or dull, sluggish, etc.
Not functioning with normal vigor
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  1. Not functioning with normal vigor
  2. Slow to perform or respond to stimulation.
  3. Displaying little movement or activity; slow; inactive:
Having slow or confused reactions, as if in a stupor; groggy
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  1. Having slow or confused reactions, as if in a stupor; groggy
Slow and dull; apathetic
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  1. Slow and dull; apathetic
  2. Sluggish in functioning
  3. Sluggish, lethargic, or inactive:
Silly, ridiculous, etc.
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  1. Silly, ridiculous, etc.
  2. Mentally slow or confused; lethargic or stupid
  3. Dazed or lethargic, as if drugged.
Difficult to understand because of complexity or obscurity:
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  1. Difficult to understand because of complexity or obscurity:
  2. Permitting little light to pass through, because of compactness of matter:
  3. Hard to penetrate; thick:
Lacking the power of speech. Used of animals and inanimate objects.
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  1. Lacking the power of speech. Used of animals and inanimate objects.
  2. Not expressed or articulated in sounds or words:
  3. Temporarily speechless, as with shock or fear:
Not sharp, pointed, or acute in form; blunt.
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  1. Not sharp, pointed, or acute in form; blunt.
  2. Not sharp or pointed; blunt
  3. (--- Botany) Having a blunt or rounded tip:
Slow-witted; stupid
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  1. Slow-witted; stupid
  2. Alternative form of thickwitted.
  3. Stupid; dull.
Impenetrable by the eyes:
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  1. Impenetrable by the eyes:
  2. Having or suggesting a heavy or viscous consistency:
  3. Very noticeable; pronounced:
Alternative spelling of dim-witted.
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Stupid; doltish:
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  1. Stupid; doltish:
  2. Mentally slow or confused; lethargic or stupid
  3. Silly, ridiculous, etc.
Displaying or marked by a lack of consistency, especially:
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  1. Displaying or marked by a lack of consistency, especially:
  2. Lacking in correct logical relation; contradictory:
  3. Not always holding to the same principles or practice; changeable
Not alert to danger, problems, or deception.
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  1. Not alert to danger, problems, or deception.
  2. Lacking caution as a result of naïveté or inexperience
  3. Not wary; not watchful or cautious; not alert to possible danger, trickery, etc.
Not cautious; rash.
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  1. Not cautious; rash.
  2. Careless, reckless, not exercising proper caution
  3. Not cautious; not careful or prudent; reckless; rash
Ill-advised, imprudent, wrongheaded, etc.
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  1. Ill-advised, imprudent, wrongheaded, etc.
  2. Ill-conceived or not thought through
  3. Lacking proper guidance
Living or growing in its original, natural state and not normally domesticated or cultivated
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  1. Living or growing in its original, natural state and not normally domesticated or cultivated
  2. Based on little or no evidence or probability; unfounded:
  3. Full of, marked by, or suggestive of strong, uncontrolled emotion:
Showing poor judgement; not well judged.
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  1. Showing poor judgement; not well judged.
  2. Showing poor judgment; not discreet or wise
Very foolish or stupid
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  1. Very foolish or stupid
Of or for insane persons
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  1. Of or for insane persons
  2. Affected by lunacy; mentally deranged.
  3. Of or for people who are mentally deranged.
Having been determined to be in a condition that meets the legal definition of insanity.
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  1. Having been determined to be in a condition that meets the legal definition of insanity.
  2. (Informal) Very foolish, excessive, fantastic, etc.
  3. Intended for use by such persons:
Temporarily or apparently deranged by violent sensations, emotions, or ideas:
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  1. Temporarily or apparently deranged by violent sensations, emotions, or ideas:
  2. Marked by a lack of restraint, especially by extreme excitement, confusion, or agitation:
  3. Exhibiting uncharacteristic aggressiveness, especially as a result of rabies, spongiform encephalopathy, or another neurological disease. Used of animals:
Showing foolishness or stupidity.
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  1. Showing foolishness or stupidity.
  2. Exhibiting mild intellectual disability. The term belongs to a classification system no longer in use and is now considered offensive.
Slightly mentally deficient; touched in the head.
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  1. Slightly mentally deficient; touched in the head.
  2. Emotionally affected; moved:
  3. Emotionally moved (by), made to feel emotion (by).
Full of or characterized by freaks; whimsical; capricious
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  1. Full of or characterized by freaks; whimsical; capricious
  2. Having the nature of a freak; odd; peculiar
  3. Strange, unusual, abnormal or bizarre
(Archaic) Belonging to childhood; juvenile.
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  1. (Archaic) Belonging to childhood; juvenile.
  2. Silly or trivial, esp. in a childish way or as a result of immaturity
  3. Immature, especially in being silly or trivial; childish.
Not expedient; inadvisable:
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  1. Not expedient; inadvisable:
  2. Not expedient; not suitable or practicable for a given situation; inadvisable, unwise, etc.
  3. Not expedient; not tending to promote a purpose; not tending to the end desired; inadvisable; unfit; improper; unsuitable to time and place; as, what is expedient at one time may be inexpedient at another.
Having restricted or rigid views, and being unreceptive to new ideas
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  1. Having restricted or rigid views, and being unreceptive to new ideas
  2. Alternative spelling of narrow-minded.
  3. Limited in outlook or lacking in tolerance; not open-minded; bigoted, prejudiced, etc.
Lacking cohesion, connection, or harmony; not coherent:
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  1. Lacking cohesion, connection, or harmony; not coherent:
  2. Characterized by incoherent speech, thought, etc.
  3. Unable to think or express one's thoughts in a clear or orderly manner:
(Geology) At the end of an erosion cycle:
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  1. (Geology) At the end of an erosion cycle:
  2. Being a disease or condition whose cause is primarily advanced age:
  3. Showing the marked deterioration often accompanying old age, esp. mental impairment characterized by confusion, memory loss, etc.
Horrible; hideous; shocking
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  1. Horrible; hideous; shocking
  2. Having the character or appearance of a monster
  3. Very unnatural or abnormal in shape, type, or character
Having the nature of, involving, or doing great injury or wrong
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  1. Having the nature of, involving, or doing great injury or wrong
  2. Being well beyond the bounds of good taste:
  3. Extremely unusual or unconventional; extraordinary:
  1. Not likely; difficult to believe; outlandish; wild; impractical.
  2. That is barely believable based on logical or normal thinking
  3. Not readily believable because of improbable elements therein:
Going beyond reasonable limits; excessive or unrestrained
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  1. Going beyond reasonable limits; excessive or unrestrained
  2. Extremely abundant; profuse:
  3. Costing or spending too much; wasteful
(Obs.) With the first last and the last first; inverted
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  1. (Obs.) With the first last and the last first; inverted
  2. So contrary to nature, reason, or common sense as to be laughable; absurd; ridiculous
Having no use; unserviceable; worthless
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  1. Having no use; unserviceable; worthless
  2. (Pejorative, of a person) good-for-nothing; not dependable.
  3. Unhelpful, not useful; pointless (of an action).
Lacking or exhibiting a lack of wisdom; foolish or imprudent:
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  1. Lacking or exhibiting a lack of wisdom; foolish or imprudent:
  2. Having or showing a lack of wisdom or sound judgment; foolish; imprudent
Marked by or showing lack of due thought or care; careless.
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  1. Marked by or showing lack of due thought or care; careless.
  2. Not given thought; ill-considered; rash
  3. Inconsiderate of the feelings of others:
Lacking substance or worth:
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  1. Lacking substance or worth:
  2. Having or showing excessive pride in one's appearance or accomplishments; conceited.
  3. Without force or effect; futile, fruitless, unprofitable, unavailing, etc.
Designed for ease and quickness of movement; having a structure that is slim and has little weight for its type or class:
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  1. Designed for ease and quickness of movement; having a structure that is slim and has little weight for its type or class:
  2. Having light; not dark; bright
  3. Intended primarily as entertainment and lacking serious or weighty content:
Alternative spelling of lightheaded.
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Characterized by irresponsible or silly behavior.
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  1. Characterized by irresponsible or silly behavior.
  2. Easily excited, upset, etc.
  3. Given to sudden whims; not taking things seriously; frivolous or irresponsible
Reckless, uninhibited, or zany
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  1. Reckless, uninhibited, or zany
  2. Behaving or acting impulsively or rashly; wild.
Causing or capable of causing dizziness:
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  1. Causing or capable of causing dizziness:
  2. Feeling dizzy or unsteady
  3. Turning or circling around very rapidly; whirling
Not sensible; foolish.
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  1. Not sensible; foolish.
  2. (Slang) Foolish, eccentric, or crazy
  3. Lacking common sense
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  1. Silly, quirky
  2. Silly; ridiculous:
  3. (Informal) Like or characteristic of a goof; stupid and silly
Producing no sound
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  1. Producing no sound
  2. Lacking the power of speech. Used of animals and inanimate objects.
  3. Not expressed or articulated in sounds or words:
Exhibiting a lack of good judgment or common sense:
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  1. Exhibiting a lack of good judgment or common sense:
  2. Having or showing little intelligence and experience
  3. (Idiomatic, informal, frequently derisive) Incomplete; (of an idea or scheme) not fully planned or carefully considered, ill-conceived, unsound or badly thought-out; (of a person) foolish or having no common sense.
Vigorous or robust:
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  1. Vigorous or robust:
  2. Being a trail, as for skiing, marked with a sign having a green circle, indicating the easiest level of difficulty.
  3. Beneficial to the environment or less harmful to the environment than others:
(Slang) Erratic, eccentric, or irrational; zany
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  1. (Slang) Erratic, eccentric, or irrational; zany
  2. Eccentric or irrational:
  3. Crazy; silly:
Having or showing little sense; foolish:
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  1. Having or showing little sense; foolish:
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Peculiar, eccentric, or odd in a confusing way
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  1. Peculiar, eccentric, or odd in a confusing way
  2. Eccentric or crazy.
  3. Ludicrously odd, unlikely, or inappropriate.

Synonym Study

  • Retarded is applied to those behind others of the same age or class because of mental deficiency a retarded pupil
  • Slow suggests that the quickness to learn, but not necessarily the capacity for learning, is below average a pupil slow in most studies
  • Dense suggests obtuseness, or an irritating failure to understand quickly or to react intelligently too dense to take a hint
  • Dull implies a mental sluggishness that may be constitutional or may result from fatigue, disease, etc. the fever left me dull and listless
  • Stupid implies a lack of intelligence or an incapacity for perceiving or learning such as might be shown by one in a mental stupor a stupid idea
Find another word for stupid. In this page you can discover 135 synonyms, antonyms, idiomatic expressions, and related words for stupid, like: daft, boneheaded, damn-fool, ignorant, ridiculous, muddled, shallow-brained, childish, bats, senseless and brainless.