Synonyms|686Antonyms|62|Broader|11Narrower|9Related|1.8k

71 entries under insane topic. ×

4
disordered(adjective, wrong, confused, irrational)
4
maniac(noun, adjective, crazy, mad, confused)
4
moonstruck(adjective, silly, foolish, stupid, mad)
4
schizo(noun, adjective, slang, silly, mad)
3
delirious(adjective, silly, foolish, crazy, mad)
3
distraught(adjective, wrong, crazy, confused)
3
flaky(adjective, silly, foolish, crazy, mad)
2
around the bend(expression, adjective, idiom, confused)
2
bats in the belfry(expression, idiom, silly, foolish, mad)
2
berserk(adjective, silly, foolish, crazy, mad)
2
bizarre(adjective, wrong, wild, silly, foolish)
2
erratic(silly, foolish, mad, unwise)
2
flipped(silly, foolish, mad, unwise)
2
flipped out(expression, silly, foolish, crazy, mad)
2
freaked out(expression, silly, foolish, mad)
2
frenzied(adjective, wrong, silly, foolish, stupid)
2
irresponsible(adjective, wrong, wild, silly, foolish)
2
mad as a March hare(expression, idiom, silly, foolish, mad)
2
mad as a hatter(expression, adjective, idiom, silly, foolish)
2
mentally strange(expression, silly, foolish, mad)
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APASmart Define. (2016). cuckoo thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/cuckoo/thesaurus/synonyms
ChicagoSmart Define. 2016. "cuckoo thesaurus" https://smartdefine.org/cuckoo/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, cuckoo thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/cuckoo/thesaurus/synonyms>.
MLASmart Define. "cuckoo thesaurus" 30 March 2016. Web. 27 September 2026. <https://smartdefine.org/cuckoo/thesaurus/synonyms>