214 entries under foolish topic. ×

8
ill-conceived(adjective, characteristic, slow, wild, silly)
8
illogical(adjective, wrong, silly, stupid)
8
madcap(noun, adjective, person, rough, silly)
8
rash(adjective, silly, stupid, mad)
8
sappy(adjective, knowledge, slang, ability, informal)
8
unreasonable(adjective, weak, simple, wrong, offensive)
8
unzipped(adjective, upset, characteristic, wild, strange)
7
hare-brained(adjective, silly, zany, wacky)
7
imbecile(adjective, insane)
7
out to lunch(expression, adjective, idiom, wild, strange)
7
unsound(adjective, wrong, silly, stupid)
7
wrong(adjective, unreasonable, sane, illogical)
6
buggy(adjective, slang, silly, mad)
6
extravagant(adjective, rough, offensive, strange)
6
half-witted(adjective, weak, simple, silly)
6
pointless(adjective, simple, silly, stupid)
6
tomfool(adjective, knowledge, ability, informal)
5
dopey(adjective, knowledge, slang, ability)
5
impractical(adjective, wrong, slow, wild, silly)
5
mindless(adjective, wrong, careless, silly)
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APASmart Define. (2016). crazy thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/crazy/thesaurus/synonyms
ChicagoSmart Define. 2016. "crazy thesaurus" https://smartdefine.org/crazy/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, crazy thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/crazy/thesaurus/synonyms>.
MLASmart Define. "crazy thesaurus" 3 April 2016. Web. 23 September 2026. <https://smartdefine.org/crazy/thesaurus/synonyms>