169 entries under insane topic. ×

5
disordered(adjective, wrong, hot, crazy, confused)
5
frenzied(adjective, silly, foolish, stupid, crazy)
5
illogical(false, foolish, unstable, ill, shaky)
5
odd(adjective, wild, silly, foolish, crazy)
5
silly(adjective, weak, simple, knowledge, ability)
4
asinine(adjective, weak, simple, silly, foolish)
4
berserk(adjective, silly, foolish, crazy, mad)
4
crack-brained
4
demoniac(noun, adjective, person, mad)
4
disturbed(adjective, hot, mad, unstable)
4
hysterical
4
off-the-wall(adjective, crazy, mad, odd)
4
schizoid(adjective, crazy, mad)
4
unsettled(silly, foolish, stupid, hot, crazy)
3
distracted(adjective, crazy, mad, odd)
3
flaky(adjective, informal, silly, foolish, crazy)
3
frantic(adjective, crazy, mad, odd)
3
imbecilic(adjective, weak, simple, knowledge, ability)
3
moronic(adjective, weak, simple, knowledge, ability)
3
off one's head(expression, adjective, idiom, crazy, mad)
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APASmart Define. (2015). lunatic thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/lunatic/thesaurus/synonyms
ChicagoSmart Define. 2015. "lunatic thesaurus" https://smartdefine.org/lunatic/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, lunatic thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/lunatic/thesaurus/synonyms>.
MLASmart Define. "lunatic thesaurus" 6 August 2015. Web. 29 September 2026. <https://smartdefine.org/lunatic/thesaurus/synonyms>