9
signal(adjective, feature, good, cool, solid)
9
superlative(adjective, good, cool, strange, wonderful)
8
salient(adjective, solid, extraordinary, wonderful, best)
8
solo(adjective, characteristic, separate, extraordinary, unusual)
8
superb(adjective, good, cool, excellent, strange)
8
supreme(adjective, good, cool, perfect, strange)
8
unwonted(adjective, solid, extraordinary, unusual, strange)
7
phenomenal(adjective, excellent, solid, extraordinary, unusual)
7
unheard-of(adjective, good, cool, strange, wonderful)
7
most(adjective, characteristic, equal, rare, originality)
7
onliest(adjective, characteristic, separate, originality, alone)
7
primo(adjective, characteristic, solid, extraordinary, unusual)
6
beyond compare(expression, adjective, feature, good, cool)
6
beyond comparison(noun, expression, adverb, new, individual)
6
unrepeatable(adjective, feature, extraordinary, unusual, exceptional)
6
unthinkable(adjective, unusual, exceptional, special, individual)
6
untypical(adjective, equal, peculiar, abnormal, nonconforming)
6
without parallel(noun, expression, adverb, new, individual)
5
something else(expression, adjective, characteristic, separate, unusual)
5
first and last(expression, adjective, idiom, equal, include)
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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>