2
kooky(adjective, unstable, disturbed, erratic, unhinged)
2
luny(noun, adjective, slang, sick, mad person)
2
maniacal(adjective, sane)
2
manic
2
mentally ill(expression, adjective, crazy, sick, sane)
2
not right(expression, crazy, cuckoo, queer)
2
odd
2
off-the-wall
2
potty
2
queer(crazy, cuckoo)
2
schizo(noun, adjective, slang, sick, mad person)
2
sick(crazy, crackers)
2
wacky(adjective, sane)
1
absorbed(unconcerned, unfamiliar, uninformed)
1
abstracted(unconcerned, unfamiliar, uninformed)
1
amnesic(unconcerned, unfamiliar, uninformed, undiscerning, unrecognizing)
1
arrested
1
babbling
1
backward
1
balmy
11 years ago|2k views|share |citing 
APASmart Define. (2015). not all there thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/not_all_there/thesaurus/synonyms
ChicagoSmart Define. 2015. "not all there thesaurus" https://smartdefine.org/not_all_there/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, not all there thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/not_all_there/thesaurus/synonyms>.
MLASmart Define. "not all there thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/not_all_there/thesaurus/synonyms>