3
incredible
3
inventive(adjective, new, fundamental, novel, unique)
3
matchless
3
notable(adjective, excellent, unusual, exceptional, special)
3
out-of-the-way(adjective, extraordinary, exceptional, original, remarkable)
3
peerless
3
preternatural(adjective, exceptional, original)
3
seminal(adjective, unusual, new, fresh, fundamental)
3
signal(adjective, exceptional, original)
3
stupendous
3
superior(adjective, excellent, unusual, exceptional, special)
3
unimaginable(excellent, extraordinary, unusual, exceptional, marvelous)
2
bohemian
2
few(unusual, special, rare, infrequency)
2
high
2
imaginative(adjective, fundamental, novel, unique, innovative)
2
individual(adjective, extraordinary, remarkable, single, particular)
2
irregular(adjective, excellent, unusual, special, brilliant)
2
latest(adjective, new)
2
magic
10 years ago|11k views|share |citing 
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>