45 entries under eccentric topic. ×

3
capricious
3
cranky(adjective, usual)
3
crazy(adjective, informal)
3
droll(adjective, ridiculousness)
3
freak(adjective, extraordinary, unusual, strange, odd)
3
oddball(noun, adjective)
3
offbeat
3
quirky(adjective, usual)
3
unconventional
3
whimsical(adjective, ridiculousness)
2
bent(adjective, informal)
2
erratic(adjective, usual)
2
irregular
2
off the wall(expression, adjective, idiom)
2
quizzical(adjective, ridiculousness)
1
beat(adjective, informal)
1
characteristic
1
flaky
1
funky(adjective, informal)
1
out in left field(expression, adjective, idiom, extraordinary, unusual)
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APASmart Define. (2016). rum thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/rum/thesaurus/synonyms
ChicagoSmart Define. 2016. "rum thesaurus" https://smartdefine.org/rum/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, rum thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/rum/thesaurus/synonyms>.
MLASmart Define. "rum thesaurus" 31 March 2016. Web. 23 September 2026. <https://smartdefine.org/rum/thesaurus/synonyms>