2
lump
2
muffer(fool, incompetent, butcher, bungler, bumbler)
1
addlebrain(fool, incompetent, butcher, bungler, bumbler)
1
bonehead(fool, incompetent, butcher)
1
boob
1
botcher(fool, incompetent, butcher)
1
bumbler(fool, incompetent, butcher, bungler, fumbler)
1
butcher(fool, incompetent)
1
clod(fool, incompetent, butcher)
1
clumsy
1
clumsy oaf(expression, fool, incompetent, butcher, bungler)
1
coiner
1
dimwit
1
donkey(fool, incompetent, butcher)
1
dub
1
dullard
1
dumbbell
1
dunderhead
1
fathead
1
featherbrain(fool, incompetent, butcher, bungler, bumbler)
11 years ago|3.9k views|share |citing 
APASmart Define. (2015). duffer thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/duffer/thesaurus/synonyms
ChicagoSmart Define. 2015. "duffer thesaurus" https://smartdefine.org/duffer/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, duffer thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/duffer/thesaurus/synonyms>.
MLASmart Define. "duffer thesaurus" 13 April 2015. Web. 21 September 2026. <https://smartdefine.org/duffer/thesaurus/synonyms>