4
singular(adjective, common, inferior)
4
subpar
4
uncommon(adjective, ordinary, commonplace)
4
unconventional(adjective, odd, different)
3
aberrant
3
bizarre
3
exceptional
3
extraordinary
3
famous
3
notable(obscure, poor, insignificant)
3
noteworthy
3
odd
3
offbeat
3
outlier
3
outré
3
quirky
3
remarkable
3
substandard
3
unfamiliar(adjective, common)
3
unnatural
10 years ago|4.4k views|share |citing 
APASmart Define. (2016). standard thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/standard/thesaurus/antonyms
ChicagoSmart Define. 2016. "standard thesaurus" https://smartdefine.org/standard/thesaurus/antonyms (accessed September 24, 2026).
HarvardSmart Define 2016, standard thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/standard/thesaurus/antonyms>.
MLASmart Define. "standard thesaurus" 29 March 2016. Web. 24 September 2026. <https://smartdefine.org/standard/thesaurus/antonyms>