83 entries under adjective topic. ×

14
thick(slow, stupid)
13
fatuous(silly, stupid, impractical, unintelligent)
11
blockheaded(simple, slow, stupid, impulsive)
11
thickheaded(simple, slow, stupid)
9
stupid(simple, slow, silly, unintelligent)
7
doltish(simple, slow, stupid)
7
obtuse(simple, slow, stupid)
6
dim-witted(slow, stupid)
6
dull
6
fatheaded
6
loggerheaded
6
slow-witted(slow, stupid)
5
dense(simple, silly, stupid, unintelligent)
5
dumb(simple, slow, stupid, impulsive)
5
feeble-minded(impulsive, impractical, half-baked, doomed)
5
moronic(slow, silly, stupid, impulsive)
5
thick-skulled
4
dopey(slow, stupid)
4
empty-headed
4
imbecilic(impulsive, impractical, half-baked, doomed)
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APASmart Define. (2015). boneheaded thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/boneheaded/thesaurus/synonyms
ChicagoSmart Define. 2015. "boneheaded thesaurus" https://smartdefine.org/boneheaded/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, boneheaded thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/boneheaded/thesaurus/synonyms>.
MLASmart Define. "boneheaded thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/boneheaded/thesaurus/synonyms>