8
unique(adjective, feature, extraordinary, special, remarkable)
5
unquotable
4
singular(adjective, separate, extraordinary, remarkable, alone)
4
sole(adjective, extraordinary, remarkable, particular)
3
alone(adjective, extraordinary, remarkable, particular)
3
foul
3
solitary(adjective, extraordinary, remarkable, particular)
2
only(extraordinary, remarkable, particular)
2
solo(extraordinary, remarkable, particular)
2
unexampled
2
unparalleled(adjective, extraordinary, remarkable, particular)
2
unreproducible
1
bawdy
1
dirty
1
exceptional(adjective, extraordinary, remarkable, particular)
1
extraordinary(adjective, remarkable, particular)
1
foul-mouthed
1
foul-spoken
1
foul-tongued
1
fulsome
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APASmart Define. (2015). unrepeatable thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/unrepeatable/thesaurus/synonyms
ChicagoSmart Define. 2015. "unrepeatable thesaurus" https://smartdefine.org/unrepeatable/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, unrepeatable thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/unrepeatable/thesaurus/synonyms>.
MLASmart Define. "unrepeatable thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/unrepeatable/thesaurus/synonyms>