2
weirdo(unusual, strange, unique, eccentric, atypical)
1
alligatored
1
amusing
1
ape(silly, foolish, crazy, mad, insane)
1
apish
1
arbitrary
1
astonishing(extraordinary, amazing, dubious, incredible)
1
babbling(adjective, insane)
1
beany
1
befooled
1
beguiled
1
besotted
1
beyond belief(expression, extraordinary, amazing, incredible)
1
blithering(adjective, insane)
1
brain-sick(adjective, insane)
1
bubbleheaded
1
buffoonish
1
chapped
1
clownish
1
cockamamy(silly, foolish, thoughtless, unwise, unintelligent)
10 years ago|16k views|share |citing 
APASmart Define. (2016). kooky thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/kooky/thesaurus/synonyms
ChicagoSmart Define. 2016. "kooky thesaurus" https://smartdefine.org/kooky/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, kooky thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/kooky/thesaurus/synonyms>.
MLASmart Define. "kooky thesaurus" 31 March 2016. Web. 23 September 2026. <https://smartdefine.org/kooky/thesaurus/synonyms>