129 entries under foolish topic. ×

2
nutty(adjective, weak, simple, silly)
2
simpleminded(adjective, dull, simple, silly)
2
wacky(adjective, weak, simple, silly)
1
batty(adjective, silly, stupid, crazy)
1
brutish(adjective, silly, senseless, unnecessary)
1
careless(adjective, silly, senseless, rash)
1
childish(silly, rash, absurd, risky)
1
cockamamy(silly, thoughtless, unwise, mindless)
1
daydreaming(adjective, indifferent, silly, idle)
1
dotty(weak, simple, silly, thoughtless)
1
fantastic(weak, simple, silly, thoughtless)
1
flighty(adjective, simple, slight, stupid)
1
foolhardy(crazy, insane, rash, risky)
1
frivolous(adjective, simple, slight, silly)
1
futile(adjective, dull, simple, slow, silly)
1
gullible(adjective, dull, simple, slow, silly)
1
half-baked(adjective, dull, weak, simple, slight)
1
harebrained(weak, simple, silly, crazy)
1
heedless(adjective, careless, silly, senseless)
1
ill-advised(dull, weak, simple, silly)
10 years ago|15k views|share |citing 
APASmart Define. (2016). unintelligent thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/unintelligent/thesaurus/synonyms
ChicagoSmart Define. 2016. "unintelligent thesaurus" https://smartdefine.org/unintelligent/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, unintelligent thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/unintelligent/thesaurus/synonyms>.
MLASmart Define. "unintelligent thesaurus" 24 March 2016. Web. 28 September 2026. <https://smartdefine.org/unintelligent/thesaurus/synonyms>