13
ape(adjective, characteristic, strange, silly, foolish)
13
ding-a-ling(noun, person, slang, wise, fanatic)
13
dingbat(noun, person, slang, wise, fanatic)
13
distracted(adjective, upset, wild, mad, nervous)
13
distraught(adjective, upset, wrong, passionate, wild)
13
fruity(adjective, characteristic, slang, strange, silly)
13
loco(adjective, slang, informal, mad, sick)
13
non compos mentis(noun, expression, adjective, idiom, law)
13
unworkable(adjective, characteristic, silly, foolish, fantastic)
12
daffy(adjective, weak, simple, informal, silly)
12
frantic(adjective, upset, wild, cruel, mad)
12
impracticable(adjective, characteristic, rough, wild, silly)
12
loon(noun, person, informal, wise, fanatic)
12
madman(noun, adjective, person, mad, odd)
12
madwoman(noun, person, fanatic, insanity, loony)
12
queer(adjective, characteristic, person, unusual, wild)
12
unglued(adjective, upset, characteristic, wild, strange)
12
unwise(adjective, characteristic, weak, simple, wrong)
12
wacko(noun, person, fanatic, insanity, loony)
11
dingy(adjective, characteristic, informal, strange, silly)
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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>