50 entries under insane topic. ×

8
screwy(adjective, silly, crazy, mad)
7
nutty(adjective, light, wrong, unusual, wild)
6
mad(adjective, wrong, unusual, passionate, violent)
6
wacky(adjective, light, wrong, unusual, wild)
5
daft(adjective, informal, wild, silly, foolish)
5
erratic(adjective, informal, careless, silly, mad)
5
kooky(adjective, strange, silly, crazy, mad)
4
barmy(adjective, silly, foolish, crazy, mad)
4
batty(adjective, light, wild, silly, foolish)
4
dippy(adjective, light, silly, stupid, crazy)
4
screwball(adjective, silly, foolish, crazy, mad)
4
silly(adjective, light, wrong, wild, foolish)
3
bonkers(adjective, simple, silly, foolish, crazy)
3
cuckoo(adjective, silly, foolish, crazy, mad)
3
idiotic(adjective, wild, silly, foolish, stupid)
3
nuts(adjective, simple, silly, foolish, crazy)
3
potty(adjective, silly, foolish, mad)
3
round the bend(expression, idiom, silly, foolish, mad)
2
bats in the belfry(expression, idiom, silly, foolish, mad)
2
demented(adjective, silly, foolish, crazy, mad)
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APASmart Define. (2015). flaky thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/flaky/thesaurus/synonyms
ChicagoSmart Define. 2015. "flaky thesaurus" https://smartdefine.org/flaky/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, flaky thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/flaky/thesaurus/synonyms>.
MLASmart Define. "flaky thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/flaky/thesaurus/synonyms>