104 entries under adjective topic. ×

31
unique(noun, new, exceptional, equal)
16
unusual(obscure, new, exceptional, fresh)
16
unparalleled(noun, new, exceptional, original)
13
remarkable(new, exceptional, marvelous, special)
13
singular(obscure, new, exceptional, special)
13
novel(noun, new, exceptional, original)
13
rare(excellent, obscure, exceptional, marvelous)
12
original(extraordinary, unusual, new, fresh)
11
extraordinary(excellent, strange, wonderful, exceptional)
11
unheard-of(obscure, exceptional, original, unique)
11
exceptional(obscure, new, exceptional, marvelous)
11
unexampled(noun, new, exceptional, original)
9
uncommon(new, wonderful, exceptional, marvelous)
9
peculiar(excellent, unusual, exceptional, marvelous)
8
phenomenal(exceptional, rare)
8
fantastic(unusual, exceptional, marvelous, special)
8
odd(excellent, exceptional, marvelous, special)
7
new(obscure, strange, new, exceptional)
7
abnormal(excellent, unusual, exceptional, special)
7
outlandish(obscure, strange, new, exceptional)
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APASmart Define. (2016). unprecedented thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/unprecedented/thesaurus/synonyms
ChicagoSmart Define. 2016. "unprecedented thesaurus" https://smartdefine.org/unprecedented/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, unprecedented thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/unprecedented/thesaurus/synonyms>.
MLASmart Define. "unprecedented thesaurus" 15 January 2016. Web. 25 September 2026. <https://smartdefine.org/unprecedented/thesaurus/synonyms>