Irrational synonyms

ĭ-răsh'ə-nəl
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Embarrassed; abashed:
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Lacking in intelligence or exhibiting the quality of having been done by someone lacking in intelligence.
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Having the ring of truth or plausibility but actually fallacious:
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Containing or based on a fallacy:
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Not able to be held, as of an opinion or position; unholdable, indefensible.
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Having or showing little sense, judgment, or sobriety; foolish, stupid, absurd, ludicrous, irrational, etc.
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Impossible to take seriously; silly:
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Contrary to logic; lacking sense or sound reasoning.
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Contrary to conscience, morality, or law:
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Opposed to logic.
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The definition of asinine is to be silly, stupid or ridiculous.
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Immoderately fond; infatuated:
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Having an extreme, irrational zeal or enthusiasm for a specific cause
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Obnoxiously stupid, vacantly silly, content in one's foolishness.
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Characterized by distortions or striking incongruities in appearance, shape, or manner; fantastic; bizarre
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Like or as an imbecile; so senseless as to be laughable; absurd, foolish, stupid, idiotic.
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Exhibiting unsoundness or disorder of mind; not sane; mad; deranged in mind; delirious; distracted.
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Wildly confused or excited.
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Lacking intelligence or good sense; foolish.
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(Computer science) Having properties that cause unusually bad behaviour, especially regarding correctness or performance.
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Absurd, or contrary to common sense.
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Of, relating to, or affected by psychosis.
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Of, related to, or characteristic of surrealism
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In Kantian philosophy, based on those elements of experience which derive not from sense data but from the inherent organizing functions of the mind, and which are the necessary conditions of human knowledge; transcending sense experience but not knowledge
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Not restrained; uncontrolled
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Having no strong foundation; not based on solid reasons or facts.
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Not determined by reason; capricious; arbitrary; irrational.
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Not firmly placed; unsteady:
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(Uncountable) The quality of being absurd or inconsistent with obvious truth, reason, or sound judgment. [First attested in the early 16th century.]
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Fanaticism is defined as extreme devotion or zeal.
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Smug stupidity; utter foolishness.
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(Uncountable) The state of being foolish.
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Behavior like that of an imbecile; great foolishness or stupidity
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An irrational idea, expression, or act.
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An irrational, excessive, and persistent fear of some particular thing or situation
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Psychosis is a serious mental disorder in which a person has impaired views of reality and whose personality is very disorganized.
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(Uncountable) The state of being unreasonable
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Reasoning or capable of reasoning in a clear and consistent manner:
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Consistent with or based on reason or good judgment; logical or sensible:
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Having or showing good sense or sound judgment; intelligent; reasonable; wise
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Not excessive or extreme; fair:
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Compatible with an accepted point of view; orthodox:
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Meditative; thoughtful
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Not likely to break down, fall apart, or give way; fixed
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Not governed by or predicated on reason
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(Mathematics) Any real number that cannot be expressed as a ratio of two integers.
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Uncontrollably wild excitement or emotion
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Synonym Study

  • Unreasonable implies bad judgment, willfulness, prejudice, etc. as responsible for that which is not justified by reason unreasonable demands
  • Irrational implies mental unsoundness or may be used to stress the utterly illogical nature of that which is directly contrary to reason an irrational belief that everybody was his enemy
Find another word for irrational. In this page you can discover 55 synonyms, antonyms, idiomatic expressions, and related words for irrational, like: foolish, stupid, unwise, specious, fallacious, untenable, senseless, silly, ridiculous, absurd and illogical.