2
demoniac(noun, lamebrain)
2
distraught
2
disturbed
2
eccentric
2
frantic
2
loony
2
loopy
2
maniacal
2
mental(adjective, insane)
2
moonstruck
2
neurotic(adjective, normal, maladjusted)
2
preposterous
2
schizophrenic(noun, lamebrain)
2
screwy
2
unhinged
2
unwise(adjective, stupid, insane)
2
witless
1
adventuresome
1
amok
1
amuck
11 years ago|3.6k views|share |citing 
APASmart Define. (2015). sane thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/sane/thesaurus/antonyms
ChicagoSmart Define. 2015. "sane thesaurus" https://smartdefine.org/sane/thesaurus/antonyms (accessed September 25, 2026).
HarvardSmart Define 2015, sane thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/sane/thesaurus/antonyms>.
MLASmart Define. "sane thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/sane/thesaurus/antonyms>