204 entries under foolish topic. ×

13
imbecilic(adjective, weak, simple, knowledge, ability)
12
moronic(adjective, weak, simple, knowledge, ability)
12
nutty(adjective, weak, simple, wrong, wild)
10
loony(adjective, weak, simple, wrong, knowledge)
10
wacky(adjective, weak, simple, wrong, knowledge)
9
bizarre(adjective, wrong, happy, perfect, unusual)
8
cockeyed(adjective, knowledge, ability, informal, silly)
8
incongruous(adjective, wrong, false, stupid)
8
weird(adjective, unusual, strange, silly)
7
daft(adjective, weak, simple, wild, silly)
7
derisory(adjective, silly, fantastic, absurd)
7
harebrained(adjective, weak, great, simple, knowledge)
6
balmy(adjective, knowledge, slang, ability, wild)
6
dippy(adjective, weak, knowledge, slang, ability)
6
dotty(adjective, weak, simple, silly)
6
far-fetched(adjective, hard, great, extraordinary, strange)
6
inconsistent(adjective, stupid, senseless, absurd)
6
lunatic(adjective, weak, simple, knowledge, ability)
6
screwy(adjective, great, wrong, extraordinary, wild)
6
tomfool(adjective, knowledge, ability)
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APASmart Define. (2015). preposterous thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/preposterous/thesaurus/synonyms
ChicagoSmart Define. 2015. "preposterous thesaurus" https://smartdefine.org/preposterous/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, preposterous thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/preposterous/thesaurus/synonyms>.
MLASmart Define. "preposterous thesaurus" 2 September 2015. Web. 22 September 2026. <https://smartdefine.org/preposterous/thesaurus/synonyms>