59 entries under rare topic. ×

18
weird(adjective, characteristic, informal, extraordinary, unusual)
18
one and only(expression, adjective, idiom, feature, exceptional)
18
one-of-a-kind(adjective, perfect, unusual, original, odd)
17
idiosyncratic(adjective, feature, characteristic, separate, extraordinary)
17
anomalous(adjective, characteristic, unusual, equal, original)
16
remarkable(adjective, feature, excellent, extraordinary, unusual)
16
distinct(adjective, characteristic, separate, simple, excellent)
15
bizarre(adjective, separate, extraordinary, unusual, strange)
15
outlandish(adjective, unusual, equal, original, odd)
15
unexampled(noun, adjective, characteristic, new, equal)
15
second to none(noun, expression, adjective, idiom, feature)
14
unconventional(adjective, separate, wrong, unusual, strange)
14
unfamiliar(adjective, obscure, unusual, strange, new)
13
queer(adjective, wrong, extraordinary, unusual, exceptional)
13
irregular(adjective, unusual, equal, original, odd)
12
noteworthy(adjective, feature, excellent, solid, extraordinary)
12
offbeat(adjective, characteristic, separate, unusual, strange)
12
atypical(adjective, separate, wrong, excellent, extraordinary)
11
distinguished(adjective, separate, simple, extraordinary, superior)
11
especial(adjective, feature, separate, simple, exact)
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APASmart Define. (2016). unique thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/unique/thesaurus/synonyms
ChicagoSmart Define. 2016. "unique thesaurus" https://smartdefine.org/unique/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, unique thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/unique/thesaurus/synonyms>.
MLASmart Define. "unique thesaurus" 29 March 2016. Web. 27 September 2026. <https://smartdefine.org/unique/thesaurus/synonyms>