5
oddball(adjective, solid, extraordinary, unusual, equal)
5
unlike(adjective, unusual, strange, fresh, original)
5
unmatchable(adjective, good, cool, strange, wonderful)
4
unrepeated(adjective, feature, equal, special, include)
4
marked(adjective, solid, extraordinary, superior, unusual)
4
nonstandard(adjective, unusual, original, best, odd)
4
one-off(adjective, characteristic, originality, uniqueness)
4
uncomparable(adjective, best, different, unlike, sole)
3
and(adjective, characteristic, originality, uniqueness)
3
best(adjective, characteristic, originality, uniqueness)
3
discriminative(adjective, special, individual, limited, select)
3
distinguishable(adjective, extraordinary, unusual, exceptional, individual)
3
irreplaceable(adjective, characteristic, originality, uniqueness)
3
select(verb, adjective, separate, superior, unusual)
3
standout(adjective, characteristic, originality, uniqueness)
3
superexcellent(adjective, characteristic, excellence, superiority)
3
unimaginable(adjective, characteristic, originality, uniqueness)
3
unparagoned(adjective, characteristic, originality, uniqueness)
3
unpeered(adjective, best, different, unlike, sole)
3
unreal(adjective, characteristic, originality, uniqueness)
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APASmart Define. (2016). unique thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/unique/thesaurus/synonyms
ChicagoSmart Define. 2016. "unique thesaurus" https://smartdefine.org/unique/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, unique thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/unique/thesaurus/synonyms>.
MLASmart Define. "unique thesaurus" 29 March 2016. Web. 21 September 2026. <https://smartdefine.org/unique/thesaurus/synonyms>