67 entries under adjective topic. ×

11
boneheaded(dull, simple, slow, stupid)
11
thick(dull, ability, slow, informal)
9
fatheaded(dull, slow, stupid)
9
stupid(dull, simple, ability, slow)
9
thickheaded(dull, simple, ability, slow)
7
dense(dull, simple, ability, slow)
7
doltish(dull, simple, ability, slow)
7
dumb(dull, simple, ability, slow)
7
loggerheaded(simple, stupid)
6
foolish(foolish, impulsive, impractical, half-baked)
5
dopey(slang, ability, slow, foolish)
4
brainless(dull, simple, slow, foolish)
4
crazy(foolish, impulsive, impractical, half-baked)
4
dim-witted(slow, foolish, stupid)
4
idiotic(foolish, impulsive, impractical, half-baked)
4
inane(foolish, impractical, half-baked, doomed)
4
loony(foolish, impractical, half-baked, doomed)
4
moronic(slow, foolish, stupid, impulsive)
4
nonsensical(foolish, impractical, half-baked, doomed)
4
obtuse(dull, simple, ability, slow)
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APASmart Define. (2015). blockheaded thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/blockheaded/thesaurus/synonyms
ChicagoSmart Define. 2015. "blockheaded thesaurus" https://smartdefine.org/blockheaded/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, blockheaded thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/blockheaded/thesaurus/synonyms>.
MLASmart Define. "blockheaded thesaurus" 14 April 2015. Web. 23 September 2026. <https://smartdefine.org/blockheaded/thesaurus/synonyms>