63 entries under unintelligent topic. ×

11
illogical(adjective, silly, foolish, stupid, insignificant)
11
loony(adjective, weak, simple, knowledge, ability)
11
lunatic(adjective, weak, simple, knowledge, ability)
10
mindless(adjective, dull, simple, slow, silly)
10
witless(adjective, dull, weak, simple, slow)
9
wacky(adjective, weak, simple, knowledge, slang)
8
dull(adjective, simple, slow, silly, foolish)
7
dotty(adjective, weak, simple, silly, foolish)
7
simple(adjective, dull, weak, slow, silly)
6
half-witted(adjective, dull, weak, simple, slow)
6
slow(adjective, dull, simple, mind, think)
5
meaningless(adjective, dull, simple, slow, silly)
5
pointless(adjective, dull, simple, slow, silly)
5
unthinking(adjective, dull, simple, slow, silly)
4
harebrained(adjective, weak, simple, knowledge, ability)
4
thick(adjective, dull, simple, slow, silly)
4
unwise(adjective, weak, simple, wild, silly)
3
boneheaded(adjective, silly, impulsive, impractical)
3
jerky(adjective, weak, simple, knowledge, slang)
3
obtuse(adjective, dull, simple, silly, foolish)
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APASmart Define. (2016). idiotic thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/idiotic/thesaurus/synonyms
ChicagoSmart Define. 2016. "idiotic thesaurus" https://smartdefine.org/idiotic/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2016, idiotic thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/idiotic/thesaurus/synonyms>.
MLASmart Define. "idiotic thesaurus" 24 March 2016. Web. 30 September 2026. <https://smartdefine.org/idiotic/thesaurus/synonyms>