80 entries under foolish topic. ×

3
tomfool
3
zany(weak, simple, silly, thoughtless)
2
cockamamie(adjective, weak, simple, slang, silly)
2
eccentric(adjective, silly, crazy, mad)
2
half-baked(adjective, weak, simple, slow, silly)
2
irrational(adjective, weak, simple, silly)
2
jerky(weak, simple, silly, thoughtless)
2
simple(adjective, weak, slow, silly)
2
unintelligent(adjective, weak, simple, slow, silly)
2
unreasonable(adjective, weak, simple, strange)
2
unwise(weak, simple, silly, thoughtless)
1
backward(adjective, simple, slow, stupid)
1
bedlamite(adjective, simple, silly, crazy)
1
cockamamy(noun, silly, thoughtless, unwise)
1
dim-witted(adjective, simple, slow, stupid)
1
doltish(adjective, weak, simple, slow, silly)
1
fantastic(weak, simple, silly, thoughtless)
1
feeble-minded(adjective, simple, slow, stupid)
1
feebleminded(weak, simple, silly, thoughtless)
1
ill-advised(weak, simple, silly, thoughtless)
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APASmart Define. (2015). daffy thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/daffy/thesaurus/synonyms
ChicagoSmart Define. 2015. "daffy thesaurus" https://smartdefine.org/daffy/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, daffy thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/daffy/thesaurus/synonyms>.
MLASmart Define. "daffy thesaurus" 13 April 2015. Web. 25 September 2026. <https://smartdefine.org/daffy/thesaurus/synonyms>