Bygone and Neolithic

Bygone

Bygone adjective - No longer existing.

Neolithic and bygone are semantically related. In some cases you can use "Neolithic" instead an adjective "Bygone".

Neolithic

Neolithic adjective - Having passed its time of use or usefulness.
Usage example: my old manual typewriter now seems positively neolithic

Bygone and neolithic are semantically related. Sometimes you can use "Bygone" instead an adjective "Neolithic".
Cite this Source
Neolithic and Bygone. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/bygone/neolithic
Bygone & Neolithic. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/bygone/neolithic>.
Neolithic or Bygone. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/bygone/neolithic.
Google Ngram Viewer shows how "bygone" and "neolithic" have occurred on timeline