100 entries under adjective topic. ×

5
boneheaded(impulsive, impractical, half-baked, doomed)
5
senile
5
silly(foolish, stupid, vague, impulsive)
5
soft(ability, informal, offensive, stupid)
5
unintelligent(dull, simple, slow, foolish)
4
addle-pated
4
brainless(simple, slow, stupid, boring)
4
dull-witted
4
half-witted(ability, offensive, stupid)
4
subnormal
3
deficient
3
gormless
3
halfwitted
3
imbecile(dull, simple, foolish, stupid)
3
inane(foolish, stupid, impractical, half-baked)
3
obtuse(simple, slow, stupid, sluggish)
3
vacant
2
attocerebral
2
dim
2
doltish(simple, slow, stupid, sluggish)
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APASmart Define. (2015). feeble-minded thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/feeble-minded/thesaurus/synonyms
ChicagoSmart Define. 2015. "feeble-minded thesaurus" https://smartdefine.org/feeble-minded/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, feeble-minded thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/feeble-minded/thesaurus/synonyms>.
MLASmart Define. "feeble-minded thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/feeble-minded/thesaurus/synonyms>