61 entries under slow topic. ×

7
sluggish(adjective, dull, simple, stupid)
6
backward(adjective, dull, simple, silly)
6
imbecilic(adjective, dull, simple, silly)
6
impassive(adjective, dull, hard, stupid)
6
moronic(adjective, dull, simple, silly)
6
pointless(adjective, dull, simple, flat)
5
brainless(adjective, dull, simple, silly)
5
daft(adjective, simple, foolish, stupid)
4
blockheaded(adjective, dull, simple, ability)
4
boorish(adjective, dull, stupid, vulgar)
4
lethargic(adjective, dull, stupid)
4
oafish(adjective, dull, simple, stupid)
4
weak-minded(adjective, dull, stupid)
3
feeble-minded(adjective, simple, stupid, sluggish)
3
indiscreet(adjective, dull, simple, foolish)
3
insensate(noun, adjective, dull, hard, simple)
3
simple-minded(adjective, simple, silly, stupid)
3
torpid(adjective, dull, hard, stupid)
2
besotted(adjective, dull, simple, stupid)
2
half-witted(adjective, dull, simple, silly)
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APASmart Define. (2015). obtuse thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/obtuse/thesaurus/synonyms
ChicagoSmart Define. 2015. "obtuse thesaurus" https://smartdefine.org/obtuse/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, obtuse thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/obtuse/thesaurus/synonyms>.
MLASmart Define. "obtuse thesaurus" 13 April 2015. Web. 25 September 2026. <https://smartdefine.org/obtuse/thesaurus/synonyms>