insanity
WordReference English Thesaurus © 2025
Sense: Mental derangement
Synonyms:
mental disorder, derangement, psychopathy, madness Collocations, lunacy, psychosis, alienation, craziness
Antonyms:
sanity, normality, sound mind, clear mind, lucidity
Sense: Utter folly
Synonyms:
senselessness, foolishness, idiocy
Antonyms:
wisdom Collocations, prudence, reason Collocations, rationality, common sense, good judgment, clearness of thought, acumen Collocations, levelheadedness, judiciousness, sagacity