possible profanity
1
donkey
1
duffer
1
dummy
1
easy mark(expression, simple, fool, innocent, jerk)
1
fair game(expression, simple, fool, innocent, jerk)
1
fuckhead
1
geese(noun, prompt, jerk, child, clown)
1
giddyhead
1
grosshead
1
illiterate(simple, fool, innocent, jerk, clown)
1
innocent(simple, fool, jerk, clown, ass)
1
jerk(noun, simple, prompt, fool, innocent)
1
jolthead
1
jughead
1
lightweight(simple, fool, innocent, jerk, clown)
1
loon(simple, fool, innocent, jerk, clown)
1
mooncalf(noun, simple, prompt, fool, silly)
1
muddlehead
1
mug(sucker, boob, chump)
1
mushhead
11 years ago|4.1k views|share |citing 
APASmart Define. (2015). dunderhead thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/dunderhead/thesaurus/synonyms
ChicagoSmart Define. 2015. "dunderhead thesaurus" https://smartdefine.org/dunderhead/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, dunderhead thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/dunderhead/thesaurus/synonyms>.
MLASmart Define. "dunderhead thesaurus" 13 April 2015. Web. 25 September 2026. <https://smartdefine.org/dunderhead/thesaurus/synonyms>