Synonyms|611Antonyms|239|Broader|7Narrower|0Related|1.2k

56 entries under simple topic. ×

36
dull(noun, adjective, dull, sharp)
26
dense(adjective, dull, ability, slow)
24
stupid(adjective, dull, ability, slow)
23
thick(adjective, dull, ability, slow)
19
stolid(noun, adjective, dull, slow)
19
doltish(verb, adjective, dull, ability)
18
slow(adjective, dull, heavy, silly)
17
dim(adjective, dull, slow, foolish)
17
dumb(adjective, dull, ability, slow)
16
dim-witted(adjective, dull, slow, stupid)
13
thickheaded(adjective, ability, slow, stupid)
11
unintelligent(adjective, dull, slow, silly)
9
mindless(adjective, dull, careless, silly)
8
ignorant(adjective, dull, slow, silly)
8
witless(adjective, dull, slow, careless)
7
boneheaded(adjective, slow, stupid)
7
foolish(adjective, dull, careless, silly)
7
sluggish(adjective, dull, slow, stupid)
6
backward(adjective, dull, slow, silly)
6
imbecilic(adjective, dull, slow, silly)
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ChicagoSmart Define. 2015. "obtuse thesaurus" https://smartdefine.org/obtuse/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, obtuse thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/obtuse/thesaurus/synonyms>.
MLASmart Define. "obtuse thesaurus" 13 April 2015. Web. 20 September 2026. <https://smartdefine.org/obtuse/thesaurus/synonyms>