132 entries under adjective topic. ×

24
inimitable(feature, characteristic, unusual, exceptional)
23
single(feature, characteristic, separate, extraordinary)
23
original(characteristic, separate, simple, extraordinary)
22
one(characteristic, separate, simple, extraordinary)
22
separate(characteristic, simple, extraordinary, unusual)
22
curious(solid, extraordinary, unusual, strange)
22
exclusive(feature, characteristic, separate, simple)
21
lone(feature, characteristic, separate, simple)
21
incomparable(feature, characteristic, excellent, perfect)
20
peerless(feature, characteristic, separate, simple)
20
matchless(feature, characteristic, excellent, perfect)
20
sole(feature, characteristic, separate, simple)
19
particular(characteristic, separate, simple, exact)
19
unequaled(characteristic, exceptional, equal, originality)
19
unrivaled(noun, characteristic, separate, simple)
18
weird(characteristic, informal, extraordinary, unusual)
18
one and only(expression, idiom, feature, exceptional)
18
one-of-a-kind(perfect, unusual, original, odd)
18
sui generis(expression, feature, characteristic, separate)
17
alone(characteristic, separate, simple, extraordinary)
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APASmart Define. (2016). unique thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/unique/thesaurus/synonyms
ChicagoSmart Define. 2016. "unique thesaurus" https://smartdefine.org/unique/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, unique thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/unique/thesaurus/synonyms>.
MLASmart Define. "unique thesaurus" 29 March 2016. Web. 22 September 2026. <https://smartdefine.org/unique/thesaurus/synonyms>