85 entries under different topic. ×

16
scarce(adjective, slight, excellent, thin, extraordinary)
16
unorthodox(adjective, unusual, strange, new, exceptional)
15
offbeat(adjective, unusual, strange, exceptional, fresh)
15
unfamiliar(adjective, unusual, strange, new, exceptional)
14
atypical(adjective, separate, excellent, extraordinary, unusual)
13
fantastic(adjective, extraordinary, strange, exceptional, marvelous)
13
noteworthy(adjective, excellent, solid, extraordinary, unusual)
12
original(adjective, characteristic, separate, cool, simple)
12
sporadic(adjective, slight, thin, unusual, strange)
11
aberrant(adjective, extraordinary, unusual, strange, exceptional)
11
anomalous(adjective, extraordinary, unusual, strange, exceptional)
10
freakish(adjective, unusual, wild, strange, special)
10
individual(adjective, characteristic, separate, simple, extraordinary)
10
novel(noun, adjective, separate, unusual, strange)
10
uncustomary(adjective, solid, extraordinary, unusual, strange)
9
especial(adjective, separate, simple, extraordinary, superior)
9
exotic(adjective, unusual, strange, new, special)
9
extreme(adjective, unusual, exceptional, special, valuable)
9
particular(adjective, separate, simple, extraordinary, superior)
9
unaccustomed(adjective, unusual, strange, new, special)
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APASmart Define. (2016). uncommon thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/uncommon/thesaurus/synonyms
ChicagoSmart Define. 2016. "uncommon thesaurus" https://smartdefine.org/uncommon/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, uncommon thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/uncommon/thesaurus/synonyms>.
MLASmart Define. "uncommon thesaurus" 26 February 2016. Web. 23 September 2026. <https://smartdefine.org/uncommon/thesaurus/synonyms>