41 entries under obtuse topic. ×

5
dim-witted(adjective, dull, simple, slow, foolish)
5
half-baked(adjective, dull, weak, simple, slow)
5
scatterbrained(adjective, simple, slow, stupid, boring)
4
feeble-minded(adjective, simple, slow, stupid, boring)
4
unintellectual(adjective, simple, slow, stupid, boring)
3
dense(adjective, dull, simple, slow, silly)
3
simple-minded(adjective, simple, slow, silly, stupid)
3
slow(adjective, dull, simple, silly, foolish)
3
stolid(adjective, dull, simple, slow, foolish)
3
vacuous(adjective, dull, simple, slow, stupid)
2
besotted(adjective, simple, slow, stupid, boring)
2
not bright(expression, adjective, simple, slow, stupid)
2
shallow(adjective, simple, slow, silly, stupid)
1
addled(adjective, simple, slow, stupid, boring)
1
backward(adjective, simple, slow, silly, stupid)
1
gullible(adjective, dull, simple, slow, silly)
1
numskulled(adjective, simple, slow, stupid, boring)
1
sluggish(adjective, dull, simple, slow, stupid)
0
indolent(adjective, simple, slow, stupid, boring)
0
plodding(adjective, sluggish, unintelligent)
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APASmart Define. (2016). brainless thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/brainless/thesaurus/synonyms
ChicagoSmart Define. 2016. "brainless thesaurus" https://smartdefine.org/brainless/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, brainless thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/brainless/thesaurus/synonyms>.
MLASmart Define. "brainless thesaurus" 24 March 2016. Web. 22 September 2026. <https://smartdefine.org/brainless/thesaurus/synonyms>