88 entries under foolish topic. ×

3
doltish(adjective, dull, careless, silly)
3
dopey(adjective, dull, stupid, unintelligent)
3
imbecile(adjective, dull, simple, silly)
3
nutty(adjective, wrong, silly, stupid)
3
wacky(adjective, wrong, careless, silly)
2
birdbrained(adjective, silly, innocent, dense)
2
daft(adjective, silly, stupid, insignificant)
2
half-witted(adjective, dull, simple, slow, silly)
2
harebrained(careless, wild, silly, stupid)
2
irresponsible(careless, wild, stupid, casual)
2
loony(adjective, careless, stupid, unreasonable)
2
lunatic(silly, mad, insane, unintelligent)
2
raving(unreasonable, illogical)
2
slow(adjective, dull, simple, silly)
2
unsound(adjective, wrong, silly, stupid)
1
deficient(dull, silly, stupid, unintelligent)
1
demented(unreasonable, illogical)
1
flaky(adjective, wrong, silly, stupid)
1
futile(adjective, dull, simple, slow, silly)
1
gullible(adjective, dull, simple, slow, silly)
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APASmart Define. (2015). mindless thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/mindless/thesaurus/synonyms
ChicagoSmart Define. 2015. "mindless thesaurus" https://smartdefine.org/mindless/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, mindless thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/mindless/thesaurus/synonyms>.
MLASmart Define. "mindless thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/mindless/thesaurus/synonyms>