66 entries under mad topic. ×

8
touched(adjective, silly, stupid, crazy)
8
unbalanced(adjective, silly, foolish, crazy)
7
crackpot(noun, adjective, wise, schizophrenic)
7
idiotic(adjective, wild, silly, foolish, stupid)
7
kook(noun, slang, sick, wise)
7
mental(noun, adjective, slang, silly)
7
silly(adjective, foolish, stupid, crazy)
6
crank(noun, informal, wise, schizophrenic)
6
kooky(adjective, silly, foolish, crazy)
6
loon(noun, slang, informal, sick)
6
of unsound mind(expression, adjective, idiom, silly)
5
ape(silly, foolish, crazy, insane)
5
maniacal(adjective, silly, stupid, crazy)
5
out to lunch(expression, adjective, idiom, silly)
5
psychotic(noun, adjective, silly, foolish, stupid)
5
round the bend(expression, idiom, silly, foolish)
5
unhinged(adjective, silly, foolish, stupid, crazy)
4
maniac(noun, adjective, crazy, confused)
4
moonstruck(adjective, silly, foolish, stupid)
4
schizo(noun, adjective, slang, silly)
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APASmart Define. (2016). cuckoo thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/cuckoo/thesaurus/synonyms
ChicagoSmart Define. 2016. "cuckoo thesaurus" https://smartdefine.org/cuckoo/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, cuckoo thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/cuckoo/thesaurus/synonyms>.
MLASmart Define. "cuckoo thesaurus" 30 March 2016. Web. 26 September 2026. <https://smartdefine.org/cuckoo/thesaurus/synonyms>