11
dope(noun, fool)
10
dummy(noun, person, ability, fool)
9
blockhead(noun, ability, fool)
9
dolt(noun, person, ability, fool)
9
dullard(noun, person, ability, fool, dolt)
9
dunce(noun, person, ability, fool)
9
idiot(noun, person, fool)
9
moron(noun, person, fool)
9
simpleton(noun, person, fool)
8
nitwit(noun, fool, idiot)
7
clod(noun, person, ability, fool)
6
dimwit(noun, slang, ability, fool)
6
fool(noun, fool)
6
ignoramus(noun, person, fool)
5
booby
5
dumbo(noun, person, slang, ability, dummy)
5
pinhead
4
boob
4
boobs
4
cretin(noun, fool)
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APASmart Define. (2015). dumbbell thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/dumbbell/thesaurus/synonyms
ChicagoSmart Define. 2015. "dumbbell thesaurus" https://smartdefine.org/dumbbell/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, dumbbell thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/dumbbell/thesaurus/synonyms>.
MLASmart Define. "dumbbell thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/dumbbell/thesaurus/synonyms>