86 entries under singular topic. ×

2
restricted(adjective, separate, simple, superior, unusual)
2
sole(adjective, separate, simple, extraordinary, superior)
2
specialized(adjective, separate, superior, unusual, strange)
1
best(adjective, excellent, superior, unusual, exceptional)
1
certain(adjective, extraordinary, superior, unusual, exceptional)
1
characteristic(adjective, separate, cool, superior, unusual)
1
chief(adjective, extraordinary, superior, unusual, exceptional)
1
definite(adjective, separate, extraordinary, superior, unusual)
1
excellent(adjective, characteristic, cool, extraordinary, superior)
1
express(adjective, separate, extraordinary, superior, unusual)
1
exquisite(adjective, excellent, fine, superior, exceptional)
1
few and far between(expression, adjective, idiom, slight, thin)
1
fine(adjective, excellent, extraordinary, superior, exceptional)
1
incogitable
1
incomprehensible(adjective, extraordinary, strange, fantastic)
1
memorable(adjective, great, superior, unusual, famous)
1
momentous(adjective, great, solid, extraordinary, superior)
1
proper(adjective, characteristic, separate, cool, superior)
1
red-letter(adjective, great, superior, unusual, famous)
1
select(adjective, separate, excellent, fine, superior)
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APASmart Define. (2016). uncommon thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/uncommon/thesaurus/synonyms
ChicagoSmart Define. 2016. "uncommon thesaurus" https://smartdefine.org/uncommon/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, uncommon thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/uncommon/thesaurus/synonyms>.
MLASmart Define. "uncommon thesaurus" 26 February 2016. Web. 24 September 2026. <https://smartdefine.org/uncommon/thesaurus/synonyms>