90 entries under unique topic. ×

12
sporadic(adjective, slight, thin, unusual, strange)
11
notable(adjective, excellent, solid, extraordinary, unusual)
10
unwonted(adjective, solid, extraordinary, unusual, strange)
10
individual(adjective, characteristic, separate, simple, extraordinary)
10
phenomenal(adjective, excellent, solid, extraordinary, unusual)
9
extreme(adjective, unusual, exceptional, special, valuable)
9
occasional(adjective, slight, thin, strange, exceptional)
9
particular(adjective, separate, simple, extraordinary, superior)
7
distinctive(adjective, characteristic, separate, superior, unusual)
7
few(adjective, light, unusual, strange, exceptional)
7
prodigious(adjective, excellent, extraordinary, unusual, exceptional)
6
distinct(adjective, characteristic, separate, simple, excellent)
6
seldom(adjective, adverb, slight, unusual, strange)
6
single(adjective, characteristic, separate, cool, extraordinary)
6
sparse(adjective, slight, thin, strange, exceptional)
5
freaky(adjective, unusual, strange, odd)
5
isolated(adjective, separate, simple, strange, exceptional)
5
kinky(adjective, unusual, strange, odd)
5
one(adjective, separate, simple, extraordinary, unusual)
5
separate(adjective, characteristic, cool, simple, extraordinary)
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APASmart Define. (2016). uncommon thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/uncommon/thesaurus/synonyms
ChicagoSmart Define. 2016. "uncommon thesaurus" https://smartdefine.org/uncommon/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, uncommon thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/uncommon/thesaurus/synonyms>.
MLASmart Define. "uncommon thesaurus" 26 February 2016. Web. 25 September 2026. <https://smartdefine.org/uncommon/thesaurus/synonyms>