80 entries under foolish topic. ×

17
nutty(adjective, weak, simple, pleasant, slang)
14
daft(adjective, weak, simple, slow, silly)
13
crazy(adjective, weak, simple, silly)
13
loony(adjective, weak, simple, pleasant, happy)
13
nuts(adjective, slang, silly, crazy)
11
fatuous(adjective, weak, simple, silly)
11
insane(adjective, weak, simple, silly)
11
mad(adjective, weak, simple, silly)
11
wacky(adjective, weak, simple, slang, silly)
10
batty(adjective, slang, silly, stupid)
10
demented(adjective, simple, silly, crazy)
10
dotty(adjective, weak, simple, silly)
8
deranged(adjective, simple, silly, crazy)
8
lunatic(adjective, weak, simple, silly)
8
senseless(adjective, weak, simple, stupid)
8
silly(adjective, simple, stupid, crazy)
8
witless(adjective, weak, simple, slow, silly)
7
absurd(adjective, weak, simple, silly)
7
asinine(adjective, weak, simple, silly)
7
idiotic(adjective, simple, silly, stupid)
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APASmart Define. (2015). daffy thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/daffy/thesaurus/synonyms
ChicagoSmart Define. 2015. "daffy thesaurus" https://smartdefine.org/daffy/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, daffy thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/daffy/thesaurus/synonyms>.
MLASmart Define. "daffy thesaurus" 13 April 2015. Web. 23 September 2026. <https://smartdefine.org/daffy/thesaurus/synonyms>