86 entries under singular topic. ×

53
unusual(adjective, separate, simple, severe, excellent)
42
extraordinary(adjective, characteristic, separate, severe, excellent)
41
rare(adjective, separate, simple, slight, excellent)
41
unique(adjective, feature, characteristic, separate, simple)
39
exceptional(adjective, separate, simple, severe, excellent)
35
strange(adjective, separate, simple, excellent, solid)
34
peculiar(adjective, characteristic, separate, excellent, solid)
23
different(adjective, characteristic, separate, extraordinary, superior)
20
infrequent(adjective, slight, excellent, thin, extraordinary)
18
special(adjective, characteristic, separate, simple, excellent)
16
scarce(adjective, slight, excellent, thin, extraordinary)
12
sporadic(adjective, slight, thin, unusual, strange)
10
unwonted(adjective, solid, extraordinary, unusual, strange)
10
individual(adjective, characteristic, separate, simple, extraordinary)
9
especial(adjective, separate, simple, extraordinary, superior)
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
distinguished(adjective, separate, simple, extraordinary, superior)
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APASmart Define. (2016). uncommon thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/uncommon/thesaurus/synonyms
ChicagoSmart Define. 2016. "uncommon thesaurus" https://smartdefine.org/uncommon/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, uncommon thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/uncommon/thesaurus/synonyms>.
MLASmart Define. "uncommon thesaurus" 26 February 2016. Web. 22 September 2026. <https://smartdefine.org/uncommon/thesaurus/synonyms>