2
non compos mentis
2
nonsensical(adjective, crazy, mad, odd, insane)
2
not all there
2
nuts
2
of unsound mind
2
out to lunch
2
potty
2
psychotic
2
remarkable
2
senseless(adjective, crazy, mad, odd, insane)
2
twisted(adjective, crazy, mad, odd, insane)
2
unbalanced
2
uncommon
2
unhinged
2
unorthodox
1
affable(adjective, pleasant, happy, cheerful, jolly)
1
agonized(adjective, crazy, mad, odd, insane)
1
airy(adjective, pleasant, happy, cheerful, jolly)
1
amiable(adjective, pleasant, happy, cheerful, jolly)
1
amorphous(adjective, characterless)
10 years ago|3.1k views|share |citing 
APASmart Define. (2016). off-the-wall thesaurus. Retrieved September 23, 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 23, 2026).
HarvardSmart Define 2016, off-the-wall thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/off-the-wall/thesaurus/synonyms>.
MLASmart Define. "off-the-wall thesaurus" 30 March 2016. Web. 23 September 2026. <https://smartdefine.org/off-the-wall/thesaurus/synonyms>