94 entries under simple topic. ×

1
nerdy(weak, silly, foolish, thoughtless)
1
nitwitted(adjective, silly, foolish, stupid)
1
preposterous(weak, silly, foolish, thoughtless)
1
rash(adjective, dull, slow, careless)
1
scatterbrained(adjective, slow, foolish, stupid)
1
short-sighted(weak, silly, foolish, thoughtless)
1
sluggish(adjective, dull, slow, stupid)
1
trivial(adjective, dull, slight, slow)
1
unreasonable(adjective, weak, silly, foolish)
1
zany(weak, silly, foolish, thoughtless)
0
besotted(adjective, slow, stupid, boring)
0
indolent(adjective, slow, stupid, boring)
0
numskulled(adjective, slow, stupid, boring)
0
wearisome(adjective, slow, stupid, boring)
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APASmart Define. (2016). unintelligent thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/unintelligent/thesaurus/synonyms
ChicagoSmart Define. 2016. "unintelligent thesaurus" https://smartdefine.org/unintelligent/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, unintelligent thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/unintelligent/thesaurus/synonyms>.
MLASmart Define. "unintelligent thesaurus" 24 March 2016. Web. 27 September 2026. <https://smartdefine.org/unintelligent/thesaurus/synonyms>