46 entries under sane topic. ×

37
insane(adjective, wild, silly, foolish, stupid)
27
crazy(noun, adjective, wild, strange, silly)
22
mad(noun, adjective, wild, silly, foolish)
20
loony(noun, adjective, informal, wild, silly)
16
batty(adjective, slang, wild, silly, foolish)
16
daft(adjective, wild, silly, foolish, stupid)
15
nuts(adjective, slang, silly, crazy, mad)
15
lunatic(noun, adjective, person, wild, silly)
14
dotty(adjective, crazy, confused, insane, irrational)
13
nutty(adjective, slang, silly, stupid, crazy)
12
bonkers(adjective, informal, silly, foolish, crazy)
12
screwy(adjective, slang, silly, stupid, crazy)
12
wacky(adjective, slang, silly, foolish, crazy)
10
daffy(adjective, informal, crazy)
10
demented(adjective, wild, silly, foolish, stupid)
9
cracked(adjective, informal, wild, silly, foolish)
9
gaga(noun, adjective, informal, insane)
9
loco(adjective, slang, insane)
8
bananas(adjective, slang)
8
fruity(adjective, slang, silly, foolish, mad)
<123>
10 years ago|19k views|share |citing 
APASmart Define. (2016). cuckoo thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/cuckoo/thesaurus/synonyms
ChicagoSmart Define. 2016. "cuckoo thesaurus" https://smartdefine.org/cuckoo/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, cuckoo thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/cuckoo/thesaurus/synonyms>.
MLASmart Define. "cuckoo thesaurus" 30 March 2016. Web. 24 September 2026. <https://smartdefine.org/cuckoo/thesaurus/synonyms>