Synonyms|149Antonyms|4|Broader|4Narrower|0Related|3
1
never-to-be-repeated
1
nonpareil
1
once-in-a-lifetime
1
one
1
oner
1
queer(noun, adjective, curiosity, oddity, rarity)
1
rare(adjective, single, unique, sole)
1
singular
1
sole
1
solitary
1
special
1
strange
1
treasure(noun, find, curiosity)
1
unparalleled
1
weird
0
aberration(noun, curiosity, oddity, rarity)
0
abnormal
0
abnormality
0
abortion(noun, curiosity, oddity, rarity)
0
advantageous(excellent, wonderful, first-rate)
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APASmart Define. (2015). one-off thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/one-off/thesaurus/synonyms
ChicagoSmart Define. 2015. "one-off thesaurus" https://smartdefine.org/one-off/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, one-off thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/one-off/thesaurus/synonyms>.
MLASmart Define. "one-off thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/one-off/thesaurus/synonyms>