90 entries under dull topic. ×

8
witless(adjective, simple, slow, careless)
7
bovine(adjective, careless, heavy, foolish)
7
foolish(adjective, simple, careless, silly)
7
lumpish(adjective, heavy, stupid, vulgar)
7
sluggish(adjective, simple, slow, stupid)
6
backward(adjective, simple, slow, silly)
6
heavy(adjective, stupid, impassive, unresponsive)
6
imbecilic(adjective, simple, slow, silly)
6
impassive(adjective, hard, slow, stupid)
6
moronic(adjective, simple, slow, silly)
6
pointless(adjective, simple, flat, slow)
5
apathetic(adjective, hard, unfeeling, unsympathetic)
5
brainless(adjective, simple, slow, silly)
4
benumbed(adjective, hard, unfeeling, unsympathetic)
4
blockheaded(adjective, simple, ability, slow)
4
boorish(adjective, slow, stupid, vulgar)
4
comatose(adjective, insensibility, physical insensibility)
4
dimwitted(adjective, simple, slang, ability)
4
inert(adjective, heavy, stupid, impassive)
4
lethargic(adjective, slow, stupid)
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APASmart Define. (2015). obtuse thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/obtuse/thesaurus/synonyms
ChicagoSmart Define. 2015. "obtuse thesaurus" https://smartdefine.org/obtuse/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, obtuse thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/obtuse/thesaurus/synonyms>.
MLASmart Define. "obtuse thesaurus" 13 April 2015. Web. 26 September 2026. <https://smartdefine.org/obtuse/thesaurus/synonyms>