Synonyms and Antonyms of insanity

  1. 1 a serious mental disorder that prevents one from living a safe and normal life his incurable insanity requires that he spend the rest of his life in a mental hospital Synonyms of insanity aberration, dementia, derangement, lunacy, madness, mania, rage [archaic] Words Related to insanity neurosis, psychosis; instability, irrationality, unreasonableness; delirium, frenzy, hysteria; hallucinosis, hypomania, paranoia, schizophrenia; senile dementia; delusion, hallucination; monomania, obsession, phobia; abnormality, dementedness, unsoundness Near Antonyms of insanity lucidity, rationality, rationalness, reasonability, reasonableness; normality, soundness Antonyms of insanity mind, saneness, sanity

  2. 2 a foolish act or idea everyone laughed at the latest insanity from the town eccentric Synonyms of insanity absurdity, asininity, bêtise, fatuity, foolery, foppery, idiocy, imbecility, inanity, folly, lunacy, stupidityWords Related to insanity absurdness, craziness, foolishness, inaneness, madness, senselessness, witlessness; buffoonery, monkeyshine(s), shenanigan(s), tomfoolery; drivel, humbug, nonsense, twaddle; blunder, bungle, flub, goof, howlerNear Antonyms of insanity discretion, forethought, prudence, sagacity, wisdom; brainstorm, inspiration

  3. 3 lack of good sense or judgment had the insanity to think that taking over a government building in protest of our foreign policy was a good idea Synonyms of insanity absurdity, asininity, balminess, brainlessness, craziness, daftness, dippiness, dottiness, fatuity, fatuousness, folly, imbecility, inanity, foolishness, lunacy, madness, nonsensicalness, nuttiness, preposterousness, senselessness, silliness, simplicity, unwisdom, wackiness, witlessness, zaninessWords Related to insanity denseness, dim-wittedness, doltishness, dopiness, dullness (also dulness), dumbness, feeblemindedness, gormlessness [chiefly British], idiocy, mindlessness, oafishness, obtuseness, simplemindedness, simpleness, slowness, stupidity, stupidness, vacuity; fallacy, irrationality, unreasonableness; kookiness, weirdness; laughableness, ludicrousness, ridiculousnessNear Antonyms of insanity logicality, logicalness, rationality, rationalness, reasonability, reasonableness, validity; discernment, insight, perception, percipienceAntonyms of insanity prudence, sagaciousness, sagacity, sageness, sanity, sapience, sensibleness, soundness, wisdom

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of very fine texture or delicate form

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