100 entries under characteristic topic. ×

30
eccentric(noun, adjective, person, character)
30
screwy(adjective, feature, light, character)
29
batty(adjective, light, slang, wild)
29
irrational(adjective, weak, simple, unusual)
28
stupid(adjective, weak, simple, wrong)
27
crazed(adjective, state, upset, wild)
27
deranged(adjective, state, wild, enthusiastic)
27
delirious(adjective, wrong, happy, wild)
27
goofy(adjective, light, informal, silly)
26
balmy(adjective, knowledge, slang, ability)
26
berserk(adjective, passionate, wild, enthusiastic)
26
fatuous(adjective, weak, simple, wild)
25
dippy(adjective, light, knowledge, slang)
25
odd(adjective, person, unusual, wild)
24
outrageous(adjective, rough, informal, offensive)
24
barmy(adjective, strange, mad, odd)
24
inane(adjective, wild, silly, foolish)
23
bonkers(adjective, informal, wild, strange)
23
unhinged(adjective, strange, stupid, hot)
23
cuckoo(noun, adjective, wrong, slang)
10 years ago|50k views|share |citing 
APASmart Define. (2016). crazy thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/crazy/thesaurus/synonyms
ChicagoSmart Define. 2016. "crazy thesaurus" https://smartdefine.org/crazy/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, crazy thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/crazy/thesaurus/synonyms>.
MLASmart Define. "crazy thesaurus" 3 April 2016. Web. 24 September 2026. <https://smartdefine.org/crazy/thesaurus/synonyms>