32 entries under singular topic. ×

1
solo(adjective, exceptional, individual, rare, exclusive)
1
unaccompanied(adjective, individual, single, solitary)
1
unequaled(adjective, exceptional, individual, exclusive, single)
1
unexampled(adjective, exceptional, rare, exclusive, single)
1
unparalleled(adjective, exceptional, individual, exclusive, single)
0
different(adjective, separate, exceptional, special, rare)
0
only one(expression, adjective, solitary, alone)
0
rare(adjective, exceptional, exclusive, single, alone)
0
remaining(adjective, solitary, alone, only)
0
sui generis(expression, adjective, exceptional, rare, exclusive)
0
uncommon(adjective, separate, exceptional, special, rare)
0
unshared(adjective, solitary, alone, only)
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APASmart Define. (2016). one and only thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/one_and_only/thesaurus/synonyms
ChicagoSmart Define. 2016. "one and only thesaurus" https://smartdefine.org/one_and_only/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, one and only thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/one_and_only/thesaurus/synonyms>.
MLASmart Define. "one and only thesaurus" 29 March 2016. Web. 26 September 2026. <https://smartdefine.org/one_and_only/thesaurus/synonyms>