39 entries under rare topic. ×

31
unique(noun, adjective, new, exceptional, equal)
13
remarkable(adjective, new, exceptional, marvelous, special)
13
singular(adjective, obscure, new, exceptional, special)
12
original(adjective, extraordinary, unusual, new, fresh)
11
extraordinary(adjective, excellent, strange, wonderful, exceptional)
11
exceptional(adjective, obscure, new, exceptional, marvelous)
8
phenomenal(adjective, exceptional)
8
fantastic(adjective, unusual, exceptional, marvelous, special)
5
curious(adjective, extraordinary, unusual, exceptional, marvelous)
5
freakish(adjective, unusual, exceptional, special, original)
5
noteworthy(adjective, excellent, extraordinary, unusual, exceptional)
5
unaccustomed(adjective, unusual, strange, new, special)
4
aberrant(adjective, excellent, unusual, exceptional, special)
4
anomalous(adjective, excellent, unusual, exceptional, special)
4
infrequent(adjective, excellent, unusual, special, brilliant)
4
queer(adjective, extraordinary, unusual, special, remarkable)
4
scarce(excellent, unusual, special, brilliant)
4
unconventional(adjective, unusual, strange, new, fresh)
4
unorthodox(adjective, unusual, strange, new, special)
3
incomparable(excellent, unusual, special, brilliant)
<12>
10 years ago|11k views|share |citing 
APASmart Define. (2016). unprecedented thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/unprecedented/thesaurus/synonyms
ChicagoSmart Define. 2016. "unprecedented thesaurus" https://smartdefine.org/unprecedented/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2016, unprecedented thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/unprecedented/thesaurus/synonyms>.
MLASmart Define. "unprecedented thesaurus" 15 January 2016. Web. 29 September 2026. <https://smartdefine.org/unprecedented/thesaurus/synonyms>