77 entries under dull topic. ×

44
dense(adjective, person, body, strong)
27
obtuse(adjective, characteristic, simple, ability)
23
doltish(adjective, characteristic, simple, ability)
20
stupid(adjective, characteristic, simple, ability)
17
slow(adjective, characteristic, simple, silly)
15
slow-witted(adjective, slow, stupid)
14
dumb(adjective, simple, ability, slow)
14
dim-witted(adjective, simple, slow, foolish)
12
impenetrable(adjective, close, hard, tough)
12
moronic(adjective, simple, slow, silly)
12
stolid(adjective, simple, slow, foolish)
10
blockheaded(adjective, ability, slow, stupid)
10
dopey(adjective, simple, slang, ability)
10
unintelligent(adjective, characteristic, simple, slow)
9
dim(adjective, simple, obscure, slow)
9
foggy(adjective, obscure, property, dim)
9
imbecilic(adjective, simple, slow, foolish)
9
indistinct(adjective, obscure, rough, property)
9
obscure(adjective, solid, property, dim)
9
simple(adjective, slow, silly, foolish)
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APASmart Define. (2016). thick thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/thick/thesaurus/synonyms
ChicagoSmart Define. 2016. "thick thesaurus" https://smartdefine.org/thick/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, thick thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/thick/thesaurus/synonyms>.
MLASmart Define. "thick thesaurus" 26 February 2016. Web. 23 September 2026. <https://smartdefine.org/thick/thesaurus/synonyms>