160 entries under special topic. ×

5
novel(adjective, separate, obscure, unusual, strange)
5
separate(adjective, simple, extraordinary, unusual, certain)
5
single(adjective, extraordinary, individual, distinct)
5
solitary(adjective, separate, simple, extraordinary, unusual)
5
specific(adjective, separate, simple, superior, unusual)
5
unaccustomed(adjective, unusual, odd, bizarre)
5
unthinkable(adjective, extraordinary, unusual, strange, exceptional)
4
eccentric(adjective, extraordinary, unusual, strange, outstanding)
4
elect(adjective, excellent, superior, outstanding)
4
exotic(adjective, unusual, strange, peculiar)
4
extreme(adjective, excellent, unusual, exceptional)
4
first-class(adjective, cool, great, pleasant, excellent)
4
freakish(adjective, unusual)
4
personal(adjective, separate, simple, superior, unusual)
4
prodigious(adjective, excellent, extraordinary, unusual, exceptional)
4
sole(adjective, separate, simple, extraordinary, superior)
4
unorthodox(adjective, unusual, strange, usual)
3
aberrant(adjective, excellent, unusual, strange)
3
best(adjective, excellent, superior, unusual, exceptional)
3
distinct(adjective, separate, simple, excellent, extraordinary)
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APASmart Define. (2016). rare thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/rare/thesaurus/synonyms
ChicagoSmart Define. 2016. "rare thesaurus" https://smartdefine.org/rare/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2016, rare thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/rare/thesaurus/synonyms>.
MLASmart Define. "rare thesaurus" 14 March 2016. Web. 30 September 2026. <https://smartdefine.org/rare/thesaurus/synonyms>