79 entries under adjective topic. ×

16
thick(ability, slow, informal, stupid)
14
stupid(simple, ability, slow)
13
obtuse(simple, ability, slow, stupid)
11
blockheaded(simple, ability, slow, stupid)
11
boneheaded(simple, slow, stupid)
11
dense
10
doltish(simple, ability, slow, stupid)
9
dull
8
dim-witted(slow, stupid)
8
slow
8
slow-witted(slow, stupid)
8
thick-witted(ability, stupid)
7
dopey(slang, ability, slow, stupid)
7
fatheaded
7
dumb(simple, ability, slow, stupid)
7
fatuous
6
dim
6
dull-witted
6
stolid
5
brainless(simple, slow, stupid)
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APASmart Define. (2015). thickheaded thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/thickheaded/thesaurus/synonyms
ChicagoSmart Define. 2015. "thickheaded thesaurus" https://smartdefine.org/thickheaded/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, thickheaded thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/thickheaded/thesaurus/synonyms>.
MLASmart Define. "thickheaded thesaurus" 14 April 2015. Web. 23 September 2026. <https://smartdefine.org/thickheaded/thesaurus/synonyms>