69 entries under eccentric topic. ×

24
crazy(adjective, weak, character, simple, wrong)
22
nutty(noun, adjective, weak, simple, wrong)
14
batty(noun, adjective, wild, silly, foolish)
12
peculiar(adjective, unusual, strange, crazy, usual)
12
queer(adjective, unusual, strange, crazy, usual)
12
weird(adjective, informal, unusual, strange, crazy)
11
odd(adjective, unusual, wild, strange, crazy)
10
bizarre(adjective, unusual, wild, strange, crazy)
10
strange(adjective, unusual, wild, crazy, usual)
9
freakish(adjective, unusual, wild, strange, usual)
9
funny(adjective, unusual, wild, strange, crazy)
9
unconventional(adjective, unusual, wild, strange, crazy)
8
abnormal(adjective, unusual, wild, strange, crazy)
8
curious(adjective, unusual, strange, crazy, usual)
8
idiosyncratic(adjective, unusual, wild, strange, usual)
8
outlandish(adjective, unusual, strange, crazy, usual)
8
quaint(adjective, unusual, wild, strange, usual)
8
screwy(adjective, silly, crazy, mad, dubious)
8
singular(adjective, unusual, wild, strange, usual)
7
erratic(adjective, strange, silly, crazy, mad)
10 years ago|16k views|share |citing 
APASmart Define. (2016). kooky thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/kooky/thesaurus/synonyms
ChicagoSmart Define. 2016. "kooky thesaurus" https://smartdefine.org/kooky/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, kooky thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/kooky/thesaurus/synonyms>.
MLASmart Define. "kooky thesaurus" 31 March 2016. Web. 25 September 2026. <https://smartdefine.org/kooky/thesaurus/synonyms>