45 entries under stupid topic. ×

5
simple-minded(adjective, dull, simple, slow, silly)
4
feeble(adjective, weak, silly, green)
4
half-witted(adjective, dull, simple, slow, silly)
4
thick(adjective, dull, simple, silly, foolish)
4
unintelligent(adjective, dull, simple, silly, foolish)
3
feeble-minded(adjective, dull, simple, foolish)
3
mindless(adjective, dull, simple, silly, foolish)
3
oaf(noun, person, simple, fool)
2
credulous(adjective, silly, green, fat)
2
dense(adjective, dull, simple, silly)
2
deranged(adjective, foolish, patient, cuckoo)
2
nitwitted(adjective, silly, green, fat)
2
obtuse(adjective, dull, simple, silly, foolish)
2
soft(adjective, silly, green, fat)
1
dimwitted(adjective, dull, simple, silly)
1
illiterate(noun, adjective, simple, fool, silly)
1
insensate(adjective, dull, simple, silly)
0
fat(adjective, silly, green, thick)
0
gullible(adjective, silly, green, fat)
0
ignorant(adjective, silly, green, fat)
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APASmart Define. (2015). imbecile thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/imbecile/thesaurus/synonyms
ChicagoSmart Define. 2015. "imbecile thesaurus" https://smartdefine.org/imbecile/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, imbecile thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/imbecile/thesaurus/synonyms>.
MLASmart Define. "imbecile thesaurus" 10 April 2015. Web. 27 September 2026. <https://smartdefine.org/imbecile/thesaurus/synonyms>