possible profanity
3
odd man out(noun, verb, expression, phrasal verb)
3
original(unusual, oddity, oddball)
3
queer bird(noun, expression, idiom)
2
case(original, oddity)
2
dement(fanatic, dingbat, ultraist)
2
demoniac(noun, mad, schizophrenic, maniac)
2
fanatic(character, nut, eccentric, loony, enthusiast)
2
lamebrain(noun, person, crazy, mad, fanatic)
2
loner(unusual, original, oddity, oddball)
2
luny(noun, slang, sick, mad person)
2
neurotic(noun, mad, lunatic, schizophrenic, maniac)
2
queer fish
2
rara avis
2
schizo(noun, slang, sick, mad person)
2
type
1
alien
1
aliene
1
basket case(noun, slang, sick, mad person)
1
borderline case
1
codger
11 years ago|4.1k views|share |citing 
APASmart Define. (2015). kook thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/kook/thesaurus/synonyms
ChicagoSmart Define. 2015. "kook thesaurus" https://smartdefine.org/kook/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, kook thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/kook/thesaurus/synonyms>.
MLASmart Define. "kook thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/kook/thesaurus/synonyms>