142 entries under insane topic. ×

21
bizarre(adjective, characteristic, unusual, wild, strange)
20
crackpot(noun, adjective, person, foolish, mad)
19
imbecilic(adjective, weak, simple, knowledge, ability)
19
maniacal(adjective, characteristic, wild, strange, cruel)
19
moronic(adjective, weak, simple, knowledge, ability)
18
potty(adjective, characteristic, wild, strange, silly)
17
harebrained(adjective, characteristic, weak, simple, knowledge)
16
asinine(adjective, weak, simple, silly, foolish)
16
disturbed(adjective, upset, passionate, strange, cruel)
16
maniac(noun, adjective, person, mad, sick)
15
imprudent(adjective, characteristic, weak, simple, wild)
15
irresponsible(adjective, characteristic, simple, careless, wild)
15
moonstruck(adjective, characteristic, informal, strange, silly)
14
fantastic(adjective, characteristic, weak, simple, wild)
13
ape(adjective, characteristic, strange, silly, foolish)
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)
10 years ago|50k views|share |citing 
APASmart Define. (2016). crazy thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/crazy/thesaurus/synonyms
ChicagoSmart Define. 2016. "crazy thesaurus" https://smartdefine.org/crazy/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, crazy thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/crazy/thesaurus/synonyms>.
MLASmart Define. "crazy thesaurus" 3 April 2016. Web. 26 September 2026. <https://smartdefine.org/crazy/thesaurus/synonyms>