5
block(noun, fool, dunce)
5
loon(noun, fool)
4
stupe
4
bore
4
half-wit(noun, person, fool)
4
numskull(noun, ability, fool, jerk, ass)
4
pillock
4
poor fish(noun, expression, idiom)
4
pudding head(noun, expression, idiom)
3
birdbrain(noun, ignoramus)
3
bonehead(noun, fool, ignoramus)
3
chump(noun, ability)
3
donkey
3
dummkopf(noun, ability)
3
halfwit
3
jackass(noun, fool)
3
lame-brain(noun, fool, ignoramus)
3
meathead(noun, fool, dummy, dolt)
3
ninny
3
pudden-head
11 years ago|5.2k views|share |citing 
APASmart Define. (2015). dullard thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/dullard/thesaurus/synonyms
ChicagoSmart Define. 2015. "dullard thesaurus" https://smartdefine.org/dullard/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, dullard thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/dullard/thesaurus/synonyms>.
MLASmart Define. "dullard thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/dullard/thesaurus/synonyms>