Synonyms|149Antonyms|4|Broader|4Narrower|0Related|3
0
monster(noun, curiosity, oddity, rarity)
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monstrosity(noun, curiosity, oddity, rarity)
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most
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mutant(noun, curiosity, oddity, rarity)
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mutation(noun, curiosity, oddity, rarity)
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ne plus ultra
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nonesuch
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nonsuch
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novel
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odd
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once
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one and only
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one in a million
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onliest
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only
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opportune(excellent, wonderful, first-rate)
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paragon
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particular
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peerless
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phenomenon(find, curiosity)
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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>