174 entries under foolish topic. ×

1
outrageous(silly, fantastic, unwise, impractical)
1
peculiar(silly, fantastic, unwise, impractical)
1
potty(silly, unwise)
1
quixotic(silly, fantastic, unwise, impractical)
1
rash(adjective, dull, careless, stupid)
1
reckless(adjective, careless, stupid, rash)
1
short-sighted(silly, fantastic, rash, risky)
1
simpleminded(dull, silly, stupid, absurd)
1
strange(silly, fantastic, ridiculous, unwise)
1
thick-headed(dull, silly, stupid, unintelligent)
1
thick-witted(adjective, stupid, crazy, insane)
1
touched(simple, silly, unsound, unwise)
1
unsound(adjective, simple, careless, silly)
1
unworkable(silly, fantastic, unwise, impractical)
0
ape(silly, unwise)
0
bats in the belfry(expression, idiom, silly, unwise)
0
berserk(silly, unwise)
0
beyond reason(expression, fantastic, unrealistic)
0
cracked(simple, silly, unsound, unwise)
0
crazed(silly, unwise)
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APASmart Define. (2015). inane thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/inane/thesaurus/synonyms
ChicagoSmart Define. 2015. "inane thesaurus" https://smartdefine.org/inane/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, inane thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/inane/thesaurus/synonyms>.
MLASmart Define. "inane thesaurus" 13 April 2015. Web. 26 September 2026. <https://smartdefine.org/inane/thesaurus/synonyms>