90 entries under dull topic. ×

36
dull(noun, adjective, simple, sharp)
26
dense(adjective, simple, ability, slow)
24
stupid(adjective, simple, ability, slow)
23
thick(adjective, simple, ability, slow)
19
stolid(noun, adjective, simple, slow)
19
doltish(verb, adjective, simple, ability)
18
slow(adjective, simple, heavy, silly)
17
dim(adjective, simple, slow, foolish)
17
dumb(adjective, simple, ability, slow)
16
blunt(adjective, sharp, flat, heavy)
16
dim-witted(adjective, simple, slow, stupid)
15
slow-witted(adjective, slow, stupid, impassive)
14
insensitive(noun, adjective, hard, slow)
11
unintelligent(adjective, simple, slow, silly)
10
simple(adjective, slow, silly, foolish)
9
mindless(adjective, simple, careless, silly)
9
thick-witted(adjective, ability, stupid)
8
cloddish
8
dopey(adjective, slang, ability, slow)
8
ignorant(adjective, simple, slow, silly)
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APASmart Define. (2015). obtuse thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/obtuse/thesaurus/synonyms
ChicagoSmart Define. 2015. "obtuse thesaurus" https://smartdefine.org/obtuse/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, obtuse thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/obtuse/thesaurus/synonyms>.
MLASmart Define. "obtuse thesaurus" 13 April 2015. Web. 24 September 2026. <https://smartdefine.org/obtuse/thesaurus/synonyms>