167 entries under crazy topic. ×

10
dippy(adjective, knowledge, slang, ability, silly)
10
fantastic(adjective, weak, simple, wild, strange)
10
incautious(adjective, weak, simple, careless, silly)
10
reckless(adjective, careless, silly, stupid)
10
unthinking(adjective, dull, simple, wrong, slight)
9
extravagant(adjective, rough, strange, stupid)
9
hare-brained(adjective, silly, zany, wacky)
9
harebrained(adjective, weak, simple, knowledge, ability)
8
balmy(adjective, knowledge, slang, ability, wild)
8
batty(adjective, wild, silly, stupid)
8
comical(adjective, strange, silly, insane)
8
heedless(adjective, careless, wild, silly, stupid)
8
lunatic(adjective, weak, simple, knowledge, ability)
8
nuts(adjective, simple, rough, wild, strange)
8
outrageous(adjective, rough, careless, wild, strange)
8
screwy(adjective, wild, silly, stupid)
7
demented(adjective, wrong, wild, strange, silly)
7
kooky(adjective, weak, simple, wrong, wild)
6
cockamamie(adjective, weak, simple, wrong, silly)
6
flighty(adjective, simple, slight, careless, silly)
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APASmart Define. (2016). foolish thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/foolish/thesaurus/synonyms
ChicagoSmart Define. 2016. "foolish thesaurus" https://smartdefine.org/foolish/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, foolish thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/foolish/thesaurus/synonyms>.
MLASmart Define. "foolish thesaurus" 24 March 2016. Web. 23 September 2026. <https://smartdefine.org/foolish/thesaurus/synonyms>