2
booby(noun, fool)
2
cretin(noun, slang, ability, informal, fool)
2
cuckoo
2
daffy(adjective, foolish)
2
doltish(verb, adjective, foolish)
2
dope(noun, ability, informal, fool)
2
dopey(noun, adjective, knowledge, slang, ability)
2
droll
2
dumb
2
fathead(noun, simple, prompt, fool, silly)
2
gawky
2
gull
2
half-baked(adjective, foolish)
2
half-witted(adjective, foolish)
2
illiterate(noun, fool)
2
imbecilic(adjective, knowledge, ability, foolish)
2
imprudent(adjective, foolish)
2
inept
2
innocent(noun, fool)
2
irrational(adjective, foolish)
11 years ago|10k views|share |citing 
APASmart Define. (2015). tomfool thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/tomfool/thesaurus/synonyms
ChicagoSmart Define. 2015. "tomfool thesaurus" https://smartdefine.org/tomfool/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, tomfool thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/tomfool/thesaurus/synonyms>.
MLASmart Define. "tomfool thesaurus" 13 April 2015. Web. 20 September 2026. <https://smartdefine.org/tomfool/thesaurus/synonyms>