82 entries under simple topic. ×

4
half-witted(adjective, dull, weak, silly)
4
ignorant(adjective, dull, slow, foolish)
4
jerky(adjective, weak, knowledge, slang)
4
unthinking(adjective, dull, slow, silly)
3
daffy(adjective, weak, slow, silly)
3
lunatic(adjective, weak, knowledge, ability)
3
short-sighted(adjective, weak, silly, foolish)
3
slow(adjective, dull, silly, foolish)
3
stolid(adjective, dull, slow, foolish)
3
weak(adjective, silly, foolish, thoughtless)
3
zany(adjective, weak, knowledge, ability)
2
backward(adjective, slow, foolish, stupid)
2
dim(adjective, dull, slow, unintelligent)
2
fantastic(adjective, weak, silly, foolish)
2
harebrained(adjective, weak, knowledge, ability)
2
imprudent(adjective, weak, silly, foolish)
2
meaningless(adjective, dull, slow, silly)
2
pointless(adjective, dull, slow, silly)
2
scatterbrained(adjective, slow, silly, foolish)
2
unintellectual(adjective, slow, stupid, innocent)
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APASmart Define. (2015). imbecilic thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/imbecilic/thesaurus/synonyms
ChicagoSmart Define. 2015. "imbecilic thesaurus" https://smartdefine.org/imbecilic/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, imbecilic thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/imbecilic/thesaurus/synonyms>.
MLASmart Define. "imbecilic thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/imbecilic/thesaurus/synonyms>