2
boob(noun, simple, fool, stupid, innocent)
2
brainless(adjective, foolish)
2
changeling
2
charlie
2
chucklehead
2
clown(noun, simple, fool, innocent, jerk)
2
dopey(adjective, foolish)
2
dumb(adjective, foolish)
2
dupe(noun, fool, jerk, sucker, boob)
2
featherbrain
2
foolish(adjective, foolish)
2
foolish person(expression, imbecile, dolt)
2
goofy(adjective, foolish)
2
inane(adjective, foolish)
2
lightweight(simple, fool, innocent, jerk, clown)
2
loggerhead
2
loony(adjective, foolish)
2
meathead(noun, fool)
2
ninnyhammer
2
schlemiel(noun, simple, fool, innocent, jerk)
11 years ago|13k views|share |citing 
APASmart Define. (2015). nitwit thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/nitwit/thesaurus/synonyms
ChicagoSmart Define. 2015. "nitwit thesaurus" https://smartdefine.org/nitwit/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, nitwit thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/nitwit/thesaurus/synonyms>.
MLASmart Define. "nitwit thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/nitwit/thesaurus/synonyms>