1
dunderpate
1
easy mark(expression, simple, fool, innocent, jerk)
1
fair game(expression, simple, fool, innocent, jerk)
1
fat-head
1
featherbrain
1
geese(noun, prompt, jerk, child, clown)
1
harebrain
1
illiterate(simple, fool, innocent, jerk, clown)
1
innocent(simple, fool, jerk, clown, ass)
1
knuckle-head
1
lightweight(simple, fool, innocent, jerk, clown)
1
lunkhead
1
mug(sucker, boob, chump)
1
mutt
1
natural
1
newt
1
sap(noun, simple, fool, innocent, jerk)
1
schlemiel(simple, fool, innocent, jerk, clown)
1
schmo(noun, simple, prompt, fool, silly)
1
schmuck(noun, simple, prompt, fool, silly)
11 years ago|2.3k views|share |citing 
APASmart Define. (2015). birdbrain thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/birdbrain/thesaurus/synonyms
ChicagoSmart Define. 2015. "birdbrain thesaurus" https://smartdefine.org/birdbrain/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, birdbrain thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/birdbrain/thesaurus/synonyms>.
MLASmart Define. "birdbrain thesaurus" 13 April 2015. Web. 22 September 2026. <https://smartdefine.org/birdbrain/thesaurus/synonyms>