8
illogical(adjective, wrong, silly, foolish, stupid)
8
incredible(adjective, ridiculous)
8
madcap(noun, adjective, person, rough, silly)
8
maddened(adjective, passionate, cruel, vicious, irritation)
8
not all there(expression, adjective, idiom, sick, sane)
8
rash(adjective, silly, foolish, stupid, mad)
8
sappy(adjective, knowledge, slang, ability, informal)
8
unreasonable(adjective, weak, simple, wrong, offensive)
8
unzipped(adjective, upset, characteristic, wild, strange)
7
annoyed(adjective, irritation, annoyance, discontent, irritability)
7
bats
7
crack-brained(adjective, insane)
7
cranky(adjective, characteristic, person, behavior)
7
enamored(adjective, love, keen, passionate, obsessed)
7
exasperated(adjective, irritation, annoyance, discontent, irritability)
7
excited(adjective, agitated, irrational, distraught, overwrought)
7
extraordinary(adjective, unusual, strange, marvelous, fantastic)
7
funny(adjective, light, unusual, wild, strange)
7
hare-brained(adjective, silly, foolish, zany, wacky)
7
imbecile(adjective, foolish, insane)
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APASmart Define. (2016). crazy thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/crazy/thesaurus/synonyms
ChicagoSmart Define. 2016. "crazy thesaurus" https://smartdefine.org/crazy/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, crazy thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/crazy/thesaurus/synonyms>.
MLASmart Define. "crazy thesaurus" 3 April 2016. Web. 21 September 2026. <https://smartdefine.org/crazy/thesaurus/synonyms>