Synonyms of lunacy

lunacy

noun

1

as in insanity

a foolish act or idea

you want to sneak into the building after the alarm is set—what lunacy!

Synonyms & Similar Words

• insanity
• idiocy
• absurdity
• madness
• stupidity
• imbecility
• inanity
• bêtise
• foppery
• folly
• asininity
• foolery
• craziness
• fatuity
• absurdness
• buffoonery
• tomfoolery
• blunder
• nonsense
• witlessness
• foolishness
• twaddle
• senselessness
• inaneness
• shenanigan(s)
• drivel
• monkeyshine(s)
• bungle
• flub
• howler
• humbug
• goof

Antonyms & Near Antonyms

• wisdom
• discretion
• prudence
• sagacity
• inspiration
• forethought
• brainstorm

2

as in dementia

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

Synonyms & Similar Words

• dementia
• insanity
• madness
• hysteria
• schizophrenia
• instability
• paranoia
• mania
• rage
• derangement
• aberration
• delusion
• psychosis
• frenzy
• neurosis
• irrationality
• delirium
• unreasonableness
• obsession
• abnormality
• phobia
• hallucination
• senile dementia
• unsoundness
• hypomania
• monomania
• hallucinosis
• dementedness

Antonyms & Near Antonyms

• sanity
• mind
• rationality
• lucidity
• reasonableness
• saneness
• normality
• soundness
• reasonability
• rationalness

3

as in madness

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?

Synonyms & Similar Words

• insanity
• madness
• absurdity
• simplicity
• craziness
• foolishness
• wackiness
• zaniness
• daftness
• fatuousness
• inanity
• silliness
• preposterousness
• imbecility
• nuttiness
• unwisdom
• dottiness
• witlessness
• stupidness
• stupidity
• asininity
• folly
• brainlessness
• idiocy
• fatuity
• nonsensicalness
• balminess
• senselessness
• irrationality
• dulness
• obtuseness
• dippiness
• dullness
• ridiculousness
• feeblemindedness
• unreasonableness
• slowness
• mindlessness
• simpleness
• dopiness
• oafishness
• simplemindedness
• dumbness
• denseness
• doltishness
• kookiness
• weirdness
• fallacy
• ludicrousness
• vacuity
• gormlessness
• dim-wittedness
• laughableness

Antonyms & Near Antonyms

• sanity
• wisdom
• sagacity
• prudence
• soundness
• rationality
• validity
• reasonableness
• sapience
• sensibleness
• logicality
• sagaciousness
• reasonability
• insight
• perception
• sageness
• discernment
• logicalness
• rationalness
• percipience