2
solitary
2
specific
2
unequaled
2
unequalled
2
unexampled(adjective, extraordinary, exceptional, rare, exclusive)
2
unmatched
2
unparagoned
2
unparalleled
2
unrivaled
1
anomalous
1
another
1
beyond compare
1
beyond comparison
1
breakaway
1
different
1
discrete
1
distinguished
1
easily first
1
else
1
exceptional
11 years ago|2.6k views|share |citing 
APASmart Define. (2015). sui generis thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/sui_generis/thesaurus/synonyms
ChicagoSmart Define. 2015. "sui generis thesaurus" https://smartdefine.org/sui_generis/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, sui generis thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/sui_generis/thesaurus/synonyms>.
MLASmart Define. "sui generis thesaurus" 13 April 2015. Web. 25 September 2026. <https://smartdefine.org/sui_generis/thesaurus/synonyms>