Classic
One-off
One-off noun - A happening that occurs only once and is not repeated.
Mutual synonyms
Both words in one sentence
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Initially a one-off module (the classic "weekend in hell"), it was popular enough to become its own campaign setting.
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Many of the teams that have participated in the annual Winter Classic outdoor game have used one-off fauxbacks, which occasionally get promoted to a full-time alternate jersey.
Source: Retraux - Captain Cook from the Classic series story "The Greatest Show in the Galaxy" is a one-off contrast with the Seventh Doctor.
Source: Foil / Live-Action TV
Cite this Source
One-off and Classic. (2016). Retrieved 2026, August 08, from https://thesaurus.plus/related/classic/one-off
Classic & One-off. N.p., 2016. Web. 08 Aug. 2026. <https://thesaurus.plus/related/classic/one-off>.
One-off or Classic. 2016. Accessed August 08, 2026. https://thesaurus.plus/related/classic/one-off.