7
matchless(adjective, excellent, precious)
7
noteworthy(adjective, great, excellent, solid, extraordinary)
7
particular(adjective, separate, simple, extraordinary, superior)
7
queer(adjective, extraordinary, unusual, strange, exceptional)
7
raw(adjective, cooking, fresh, red, pink)
7
seldom(adjective, adverb, slight, unusual, exceptional)
7
striking(adjective, cool, great, excellent, exceptional)
7
superlative(adjective, excellent, precious)
7
unconventional(adjective, separate, unusual, strange, exceptional)
6
abnormal(adjective, excellent, obscure, dark, extraordinary)
6
anomalous(adjective, excellent, unusual, strange, usual)
6
deficient(adjective, close, light, poor, exceptional)
6
first-rate(adjective, cool, great, pleasant, excellent)
6
flimsy(adjective, light, thin, exceptional, doubtful)
6
light(adjective, thin, exceptional, spare, tight)
6
notable(adjective, solid, extraordinary, unusual, exceptional)
6
offbeat(adjective, strange, new, exceptional, fresh)
6
one-of-a-kind(adjective, unique)
6
original(adjective, separate, simple, extraordinary, unusual)
6
out-of-the-way(adjective, extraordinary, odd, remarkable, particular)
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APASmart Define. (2016). rare thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/rare/thesaurus/synonyms
ChicagoSmart Define. 2016. "rare thesaurus" https://smartdefine.org/rare/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, rare thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/rare/thesaurus/synonyms>.
MLASmart Define. "rare thesaurus" 14 March 2016. Web. 26 September 2026. <https://smartdefine.org/rare/thesaurus/synonyms>