11 entries under foolish topic. ×

15
idiotic(adjective, stupid)
9
ignorant(adjective, stupid)
9
stupid
8
obtuse(adjective, stupid)
6
unintelligent(adjective, stupid)
5
thick(adjective, stupid)
3
shallow(adjective, stupid)
3
imbecile(adjective, stupid)
2
naive(adjective, stupid)
1
asinine(adjective, stupid)
1
inept(adjective, stupid)
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APASmart Define. (2016). astute thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/astute/thesaurus/antonyms
ChicagoSmart Define. 2016. "astute thesaurus" https://smartdefine.org/astute/thesaurus/antonyms (accessed September 25, 2026).
HarvardSmart Define 2016, astute thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/astute/thesaurus/antonyms>.
MLASmart Define. "astute thesaurus" 22 March 2016. Web. 25 September 2026. <https://smartdefine.org/astute/thesaurus/antonyms>