Bygone
Bygone adjective - No longer existing.
Usage example: elderly people reminiscing about bygone fashions
Nonextant
Nonextant adjective - No longer existing.
Usage example: we know that Renaissance artwork only through copies made by other artists, the original painting being nonextant
Mutual synonyms
Cite this Source
Nonextant and Bygone. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/bygone/nonextant
Bygone & Nonextant. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/bygone/nonextant>.
Nonextant or Bygone. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/bygone/nonextant.
Google Ngram Viewer shows how "bygone" and "nonextant" have occurred on timeline