Synonyms|35Antonyms|29|Broader|32Narrower|31Related|179

147 entries under insanity topic. ×

13
foolish(adjective, characteristic, absurdity, ignorance)
11
unwise(adjective, characteristic, absurdity)
9
absurd(adjective, characteristic, absurdity, ignorance)
9
injudicious(adjective, characteristic, absurdity)
9
silly(adjective, ignorance, stupidity, foolishness, hastiness)
7
imprudent(adjective, characteristic, absurdity, ignorance)
7
indiscreet(adjective, characteristic, absurdity)
7
loony(adjective, characteristic, absurdity, ignorance, stupidity)
7
preposterous(adjective, characteristic, absurdity, ignorance, stupidity)
7
stupid(adjective, characteristic, absurdity, ignorance, stupidity)
7
unreasonable(adjective, characteristic, absurdity, ignorance)
5
crazy(adjective, characteristic, absurdity, ignorance)
5
foolhardy(adjective, characteristic, absurdity, ignorance)
5
harebrained(adjective, characteristic, absurdity, ignorance)
5
ill-advised(adjective, characteristic, absurdity)
5
incautious(adjective, characteristic, absurdity)
5
inexpedient(adjective, characteristic, absurdity)
5
insane(adjective, characteristic, absurdity, ignorance)
5
ludicrous(adjective, ignorance, stupidity, foolishness, hastiness)
5
nonsensical(adjective, ignorance, stupidity, foolishness, hastiness)
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APASmart Define. (1970). not taught thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/not_taught/thesaurus/related
ChicagoSmart Define. 1970. "not taught thesaurus" https://smartdefine.org/not_taught/thesaurus/related (accessed September 29, 2026).
HarvardSmart Define 1970, not taught thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/not_taught/thesaurus/related>.
MLASmart Define. "not taught thesaurus" 1 January 1970. Web. 29 September 2026. <https://smartdefine.org/not_taught/thesaurus/related>