8
twerp(noun, adjective, nothingness, zero, nonentity)
6
bungler(noun, bungler, bumbler, fumbler)
5
blockhead(noun, fool, incompetent, butcher)
5
dunce(noun, fool, incompetent, butcher)
5
fool(incompetent, butcher)
4
blunderer(noun, fool, incompetent, butcher, bungler)
4
butterfingers(noun, person, fool, incompetent, butcher)
4
idiot(fool, incompetent, butcher)
4
numskull(fool, incompetent, butcher)
3
incompetent(noun, fool, butcher, bungler, bumbler)
3
oaf
2
arab
2
dauber(noun, bungler)
2
dolt(fool, incompetent, butcher)
2
dope
2
foul-up(fool, incompetent, butcher, bungler, bumbler)
2
fumbler(noun, fool, incompetent, butcher, bungler)
2
goofball(fool, incompetent, butcher, bungler, bumbler)
2
ignoramus(fool, incompetent, butcher)
2
lummox
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APASmart Define. (2015). duffer thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/duffer/thesaurus/synonyms
ChicagoSmart Define. 2015. "duffer thesaurus" https://smartdefine.org/duffer/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, duffer thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/duffer/thesaurus/synonyms>.
MLASmart Define. "duffer thesaurus" 13 April 2015. Web. 20 September 2026. <https://smartdefine.org/duffer/thesaurus/synonyms>