1
demiurgic(new, fresh, fundamental, novel, unique)
1
devising(unusual, new, fresh, fundamental, novel)
1
disparate
1
dissimilar
1
distinguished
1
divergent
1
enigmatic
1
envisioning(unusual, new, fresh, fundamental, novel)
1
experimental(adjective, new)
1
fantastical
1
fascinating
1
first-time
1
formative(adjective, fundamental, novel, unique, innovative)
1
generative(unusual, new, fresh, fundamental, novel)
1
great
1
incomprehensible
1
indescribable
1
ineffable
1
ingenious(fundamental, novel, unique, innovative, underlying)
1
innovational(unusual, fresh, fundamental, novel, unique)
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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>