2
psychopathic case(adjective, strange, fool, mad, freak)
2
psychopathic personality(noun, person, mad, nervous)
2
queer bird(noun, crazy, mad, odd)
2
reasonless(adjective, strange, fool, mad, freak)
2
round the bend(expression, idiom, silly, foolish, mad)
2
scatty(adjective, strange, fool, mad, freak)
2
schizy(adjective, strange, fool, mad, freak)
2
screw loose(expression, silly, foolish, mad, insane)
2
sick(adjective, strange, fool, mad, freak)
2
squirrel(noun, crazy, mad, odd)
2
stark-staring mad(adjective, strange, fool, mad, freak)
2
swine(noun, ugly, huge, madness)
2
tease(noun, ugly, huge, madness)
2
tetched(adjective, strange, fool, mad, freak)
2
wack(noun, bad, mad, ill, insane)
2
wandering(adjective, strange, fool, mad, freak)
2
witless(adjective, strange, fool, mad, freak)
1
changeable(adjective, strange, madness, abnormal)
1
flighty(adjective, strange, fool, mad, freak)
1
maddened(adjective, strange, fool, mad, freak)
11 years ago|17k views|share |citing 
APASmart Define. (2015). psycho thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/psycho/thesaurus/synonyms
ChicagoSmart Define. 2015. "psycho thesaurus" https://smartdefine.org/psycho/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, psycho thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/psycho/thesaurus/synonyms>.
MLASmart Define. "psycho thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/psycho/thesaurus/synonyms>