Synonyms and Antonyms of insanity
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
neurosis, psychosis
instability, irrationality, unreasonableness
delirium, frenzy, hysteria
hallucinosis, hypomania, paranoia, schizophrenia
senile dementia
delusion, hallucination
monomania, obsession, phobia
abnormality, dementedness, unsoundness
2
a foolish act or idea
- everyone laughed at the latest insanity from the town eccentric
absurdity, asininity, bêtise, fatuity, folly, foolery, foppery, idiocy, imbecility, inanity, lunacy, stupidity
absurdness, craziness, foolishness, inaneness, madness, senselessness, witlessness
buffoonery, monkeyshine(s), shenanigan(s), tomfoolery
drivel, humbug, nonsense, twaddle
blunder, bungle, flub, goof, howler
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
absurdity, asininity, balminess, brainlessness, craziness, daftness, dippiness, dottiness, fatuity, fatuousness, folly, foolishness, imbecility, inanity, lunacy, madness, nonsensicalness, nuttiness, preposterousness, senselessness, silliness, simplicity, unwisdom, wackiness, witlessness, zaniness
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, ridiculousness
