3
insane(adjective, foolish, unreasonable, illogical)
3
loopy(adjective, crazy, mad, odd, insane)
3
outre
3
quirky(adjective, eccentric)
3
surreal(adjective, strange, fantasy, unreal)
3
weirdo(adjective, unconventional)
2
abnormal
2
batty
2
bonkers
2
cranky(adjective, strange, fantasy, unreal)
2
cuckoo
2
deranged
2
distraught(adjective, crazy, mad, odd, insane)
2
dotty
2
exceptional
2
extraordinary
2
incongruous(adjective, strange, fantasy, unreal)
2
irrational(adjective, foolish, unreasonable, senseless, illogical)
2
loco
2
mental
10 years ago|3.1k views|share |citing 
APASmart Define. (2016). off-the-wall thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/off-the-wall/thesaurus/synonyms
ChicagoSmart Define. 2016. "off-the-wall thesaurus" https://smartdefine.org/off-the-wall/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, off-the-wall thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/off-the-wall/thesaurus/synonyms>.
MLASmart Define. "off-the-wall thesaurus" 30 March 2016. Web. 22 September 2026. <https://smartdefine.org/off-the-wall/thesaurus/synonyms>