17
unique(noun, adjective, new, equal, rare)
12
unparalleled(noun, adjective, new, unique, same)
11
unprecedented(noun, adjective, new, exceptional, original)
8
peerless(adjective, perfect, superior, single, unique)
7
inimitable(adjective, incomparable, nonimitation)
7
novel(noun, new, unique, unconformity, incomparable)
7
singular(adjective, same)
7
unmatched(adjective, perfect, single, unique, same)
6
exceptional(adjective, nonimitation)
5
extraordinary
5
matchless(adjective, same)
5
unequaled(adjective, same)
5
unequalled(noun, new, unique, incomparable)
5
unheard of(noun, verb, expression, phrasal verb, new)
5
unrivaled(adjective, excellent, perfect, single, same)
4
alone(adjective, same)
4
incomparable(adjective, same)
4
new
4
rare(adjective, exceptional, exclusive, single, alone)
4
remarkable
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APASmart Define. (2015). unexampled thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/unexampled/thesaurus/synonyms
ChicagoSmart Define. 2015. "unexampled thesaurus" https://smartdefine.org/unexampled/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, unexampled thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/unexampled/thesaurus/synonyms>.
MLASmart Define. "unexampled thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/unexampled/thesaurus/synonyms>