3
cockeyed(adjective, knowledge, ability, informal)
3
dippy(adjective, knowledge, slang, ability, foolish)
3
dolt(noun, informal, fool)
3
dotty(adjective, foolish)
3
fantastic(adjective, foolish)
3
idiotic(adjective, knowledge, ability, foolish)
3
ignoramus(noun, fool)
3
jerky(adjective, knowledge, slang, ability, foolish)
3
mad(adjective, knowledge, ability, foolish)
3
moron(noun, ability, fool)
3
nitwit(noun, ability, fool)
3
ridiculous(adjective, foolish)
3
sappy(adjective, knowledge, slang, ability)
3
schmo(noun, simple, slang, ability, prompt)
3
softheaded(adjective, knowledge, ability, foolish)
3
unintelligent(adjective, foolish)
3
wacky(adjective, knowledge, slang, ability, informal)
3
witless(adjective, foolish)
2
blackjack
2
boob(noun, informal, fool)
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>