4
daft(adjective, crazy, mad, odd, insane)
4
flakey
4
funny(adjective, strange, fantasy, unreal)
4
idiosyncratic(adjective, strange, fantasy, unreal)
4
kooky(adjective, character, wrong, unusual, strange)
4
lunatic(adjective, crazy, mad, odd, insane)
4
nutty(adjective, wrong, pleasant, happy, foolish)
4
screwy
4
unconventional
4
unusual
4
way-out
4
wild(adjective, crazy, mad, odd, insane)
3
Bohemian
3
absurd(adjective, crazy, mad, odd, insane)
3
balmy(adjective, crazy, mad, odd, insane)
3
curious
3
delirious(adjective, crazy, mad, odd, insane)
3
demented(adjective, foolish, unreasonable, illogical)
3
fantastical(adjective, strange, crazy, mad, odd)
3
far-out
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>