Reliable Synonyms and Antonyms

rĭ-lī'ə-bəl

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Synonyms for Reliable

That can be depended on; trustworthy; reliable
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Worthy of trust; dependable; reliable
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Forceful and pointed; emphatic:
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Considerable in importance, value, degree, amount, or extent:
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Free or almost free from change, variation, or fluctuation; uniform:
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(--- Informal) Properly or modestly dressed:
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Free from defect, decay, or damage; in good condition:
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Bound or destined to do, experience, or be something specified
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With no exception or qualification; unexceptionable
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Not to be contested; indisputable; unquestionable
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Worthy of respect; honorable:
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(Commerce) Not rising or falling very much; steady
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Able to distinguish between right and wrong and to think and act rationally, and hence accountable for one's behavior
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The definition of infallible is someone or something that is always perfect and right, without any errors or mistakes.
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The characteristic of being dependable; the ability to be depended upon.
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Thorough and assiduous:
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(Eccles.) Of or belonging to a religious order whose members are bound by vows, specif. solemn vows
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Satisfactory or agreeable; acceptable:
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(Informal) Characterized by candor, honesty, ethical behavior, etc.
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Relating to a chemical compound that does not easily decompose or change into other compounds. Water is an example of a stable compound.
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Worthy of trust
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The definition of certain is being absolutely sure of something, or something you are confident about, or to identify someone ("that certain person") who isn't explicitly named.
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The definition of secure is something that is fastened securely. The definition of secure also is being free from danger or loss.
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Serving to put an end to doubt, question, or uncertainty; decisive:
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Subject to positive verification
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Not impeachable; that cannot be doubted, questioned, or discredited; irreproachable
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Positive is defined as good, looking towards the good side of things, showing certainty, showing the presence of an illness or substance, more than zero, or charged with positive electricity.
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Marked by or displaying integrity; upright:
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The definition of decisive is having the ability to make decisions or something that determines what comes next.
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Firmly loyal or constant; unswerving.
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Firm; solid; not fluid.
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Fairly good in quality; of moderate excellence
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Incapable of being morally corrupted.
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Corresponding to reality; true.
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Honest and just; honorable
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Never ceasing or falling short; inexhaustible
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In good physical or mental condition; healthy or untroubled:
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(Of food) Prepared in accordance with Jewish religious practices.
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Alternative spelling of on the up-and-up.
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Used other than as an idiom: see true,‎ blue.
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(Idiomatic) Well-established and tested; known to work or succeed based on extensive experience.
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(Law) Executed in a manner so as to produce legal effectiveness:
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Of good quality:
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Having a sound character
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Usable in specified conditions without being damaged. Often used in combination:
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The definition of tried is to have attempted, tested, or having been legally evaluated for guilt or innocence.
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Deserving or winning honor and respect:
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Honest; truthful:
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Of a faithful heart; honest; sincere; not faithless or deceitful
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Without deceit, pretense, or hypocrisy; truthful; straightforward; honest
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Regarded as proper usage; standard
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Having a sound character
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Having a sound character
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Well qualified; capable; fit
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For an idea or plan: infallible, or bulletproof.
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Firm and steadfast; loyal or true.
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Having principles, as of conduct
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Acting or working in a thoughtful, painstaking way
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The definition of righteous is someone or something that is in accordance with high moral standards.
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Having a sound character
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A substance that can dissolve another substance, or in which another substance is dissolved, forming a solution. Water is the most common solvent.
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Marked by or showing a strong sense of duty or responsibility; conscientious
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Faithful to those persons, ideals, etc. that one is under obligation to defend, support, or be true to
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Quick and exact in sensing and responding:
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(Eccles.) A small table at the side of the altar for the bread, wine, etc. used in the Eucharistic service
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The quality of a measurement indicating the degree to which the measure is consistent, that is, repeated measurements would give the same result (See validity).
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The state or quality of being trustworthy or reliable.
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That can be relied upon; dependable; trustworthy
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Bound to be successful or perform as expected:
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Known to be valid, effective, or genuine
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Characterized by devotion or zeal; dedicated
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Not veering or turning aside:
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Capable of being put into effective operation; practicable or feasible:
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Having a commanding style.
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Supplying or being a final settlement or decision; conclusive:
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Capable of compensating automatically and safely for a failure, as of a mechanism or power source.
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The quality or condition of being authentic, trustworthy, or genuine.
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The definition of sterling is something made of at least 92.5% pure silver, or something of very high quality.
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Antonyms for Reliable

The opposite of dependable
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Marked by or exhibiting a lack of reliability.
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The definition of irresponsible is not capable of handling assignments or taking responsibility.
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Deceiving or intended to deceive
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Causing danger; ready to do harm or injury.
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Not true; in error; incorrect; mistaken
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Failing to observe the terms of a vow, promise, understanding, etc., or false to allegiance or duty; faithless; disloyal
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The definition of insecure is having a lack of confidence, or exposed to danger or risk.
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Words Related to Reliable

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(Obsolete) Faithful, dependable.
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Synonym Study

  • Trusty applies to a person or thing that continued experience has shown to be highly trustworthy or dependable my trusty steed
  • Trustworthy applies to a person, or sometimes a thing, whose truthfulness, integrity, discretion, etc. can be relied on a trustworthy source of information
  • Dependable refers to a person or thing that can be depended on, as in an emergency, and often connotes levelheadedness or steadiness a dependable friend
  • Reliable is applied to a person or thing that can be counted upon to do what is expected or required a reliable assistant, a reliable car
Find another word for reliable. In this page you can discover 102 synonyms, antonyms, idiomatic expressions, and related words for reliable, like: dependable, trustworthy, strong, substantial, steady, decent, sound, sure, unquestionable, incontestable and credible.