61 entries under insane topic. ×

4
daft(adjective, wild, strange, silly, foolish)
4
dotty(adjective, strange, stupid, crazy, irregular)
4
irrational(adjective, unusual, wild, strange, silly)
4
lunatic(adjective, wild, silly, foolish, crazy)
4
preposterous(adjective, wrong, false, unusual, wild)
4
senseless(adjective, crazy, mad)
4
witless(adjective, crazy, mad)
3
distraught(adjective, crazy, mad)
3
loony(adjective, wild, strange, silly, foolish)
3
nonsensical(adjective, crazy, mad)
3
unsane(adjective, crazy, mad)
2
cracked(adjective, wild, silly, foolish, stupid)
2
delirious(adjective, crazy, mad)
2
foolish(adjective, wild, strange, silly, stupid)
2
nuts(adjective, wild, strange, silly, foolish)
2
reckless(adjective, crazy, mad)
2
silly(adjective, wild, strange, foolish, stupid)
2
unglued(adjective, crazy, mad)
2
unlikely(adjective, strange, crazy, irregular, doubtful)
1
agonized(adjective, crazy, mad)
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APASmart Define. (2016). odd thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/odd/thesaurus/synonyms
ChicagoSmart Define. 2016. "odd thesaurus" https://smartdefine.org/odd/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, odd thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/odd/thesaurus/synonyms>.
MLASmart Define. "odd thesaurus" 30 March 2016. Web. 22 September 2026. <https://smartdefine.org/odd/thesaurus/synonyms>