Synonyms and Antonyms of lunacy
1
a foolish act or idea
- you want to sneak into the building after the alarm is set—what lunacy!
absurdity, asininity, bêtise, fatuity, folly, foolery, foppery, idiocy, imbecility, inanity, insanity, stupidity
absurdness, craziness, foolishness, inaneness, madness, senselessness, witlessness
buffoonery, monkeyshine(s), shenanigan(s), tomfoolery
drivel, humbug, nonsense, twaddle
blunder, bungle, flub, goof, howler
2
a serious mental disorder that prevents one from living a safe and normal life
- the judge ruled that the lunacy of the accused made him incompetent to stand trial
neurosis, psychosis
instability, irrationality, unreasonableness
delirium, frenzy, hysteria
hallucinosis, hypomania, paranoia, schizophrenia
senile dementia
delusion, hallucination
monomania, obsession, phobia
abnormality, dementedness, unsoundness
3
lack of good sense or judgment
- was it desperation or lunacy that caused him to quit his job and move to California without any plan for what to do when he got there?
absurdity, asininity, balminess, brainlessness, craziness, daftness, dippiness, dottiness, fatuity, fatuousness, folly, foolishness, imbecility, inanity, insanity, 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
