37 entries under foolish topic. ×

5
simple-minded(adjective, dull, simple, slow, silly)
4
daffy(crazy, insane)
4
insane
4
thick(adjective, dull, simple, silly)
4
unintelligent(adjective, dull, simple, silly)
3
batty(crazy, insane)
3
feeble-minded(adjective, dull, simple, stupid)
3
mindless(adjective, dull, simple, silly)
2
deranged(adjective, stupid, patient, cuckoo)
2
lunatic(silly, crazy, insane, unintelligent)
2
obtuse(adjective, dull, simple, silly)
2
thick-witted(adjective, crazy, insane)
1
birdbrained(dull, simple, silly, crazy)
0
foolhardy(crazy, insane)
0
harebrained(crazy, insane)
0
squirrelly(crazy, insane)
0
very stupid(expression, crazy, insane)
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APASmart Define. (2015). imbecile thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/imbecile/thesaurus/synonyms
ChicagoSmart Define. 2015. "imbecile thesaurus" https://smartdefine.org/imbecile/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, imbecile thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/imbecile/thesaurus/synonyms>.
MLASmart Define. "imbecile thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/imbecile/thesaurus/synonyms>