126 entries under foolish topic. ×

1
thick-headed(dull, silly, stupid, unintelligent)
1
trivial(adjective, dull, simple, slow, silly)
1
unaware(adjective, silly, innocent, senseless)
1
unmindful(adjective, silly, innocent, senseless)
0
brutish(adjective, silly, senseless, unnecessary)
0
careless(adjective, silly, senseless, unnecessary)
0
cockamamie
0
daydreaming(adjective, silly, senseless, unnecessary)
0
deranged
0
forgetful(adjective, silly, senseless, unnecessary)
0
gratuitous(adjective, silly, senseless, unnecessary)
0
heedless(adjective, silly, senseless, unnecessary)
0
inattentive(adjective, silly, senseless, unnecessary)
0
mentally deficient(expression, silly, stupid)
0
mooning(adjective, silly, senseless, unnecessary)
0
moony(adjective, silly, senseless, unnecessary)
0
neglectful(adjective, silly, senseless, unnecessary)
0
negligent(adjective, silly, senseless, unnecessary)
0
nitwitted(adjective, silly, senseless, unnecessary)
0
not intelligent(expression, silly, stupid)
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APASmart Define. (2015). imbecilic thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/imbecilic/thesaurus/synonyms
ChicagoSmart Define. 2015. "imbecilic thesaurus" https://smartdefine.org/imbecilic/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, imbecilic thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/imbecilic/thesaurus/synonyms>.
MLASmart Define. "imbecilic thesaurus" 14 April 2015. Web. 27 September 2026. <https://smartdefine.org/imbecilic/thesaurus/synonyms>