79 entries under scarce topic. ×

22
original(adjective, separate, simple, extraordinary, strange)
20
atypical(adjective, separate, wrong, excellent, extraordinary)
19
unfamiliar(adjective, obscure, strange, new, exceptional)
17
noteworthy(adjective, great, excellent, solid, extraordinary)
17
novel(adjective, separate, obscure, strange, new)
16
outstanding(adjective, excellent, extraordinary, important, strange)
15
notable(adjective, excellent, solid, extraordinary, important)
14
unexpected(adjective, obscure, strange, new, exceptional)
14
unparalleled(adjective, extraordinary, strange, new, exceptional)
13
phenomenal(adjective, excellent, obscure, solid, dark)
13
unwonted(adjective, light, solid, extraordinary, strange)
10
amazing(adjective, extraordinary, strange, superb, exceptional)
10
distinguished(adjective, separate, simple, extraordinary, superior)
10
astonishing(adjective, extraordinary, strange, superb, exceptional)
10
conspicuous(adjective, great, solid, extraordinary, important)
9
infrequent(adjective, excellent, extraordinary, exceptional, usual)
9
extreme(adjective, extraordinary, stupid, exceptional, special)
9
prodigious(adjective, excellent, extraordinary, strange, superb)
8
surprising(adjective, solid, extraordinary, strange, superb)
8
unaccustomed(adjective, obscure, strange, new, fresh)
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APASmart Define. (2016). unusual thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/unusual/thesaurus/synonyms
ChicagoSmart Define. 2016. "unusual thesaurus" https://smartdefine.org/unusual/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2016, unusual thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/unusual/thesaurus/synonyms>.
MLASmart Define. "unusual thesaurus" 31 March 2016. Web. 30 September 2026. <https://smartdefine.org/unusual/thesaurus/synonyms>