Erstwhile and Immemorial

Erstwhile

Erstwhile adjective - Having been such at some previous time.

Immemorial and erstwhile are semantically related. In some cases you can use "Immemorial" instead an adjective "Erstwhile".

Immemorial

Immemorial adjective - Dating or surviving from the distant past.

Erstwhile and immemorial are semantically related. Sometimes you can use "Erstwhile" instead an adjective "Immemorial".
Cite this Source
Immemorial and Erstwhile. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/erstwhile/immemorial
Erstwhile & Immemorial. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/erstwhile/immemorial>.
Immemorial or Erstwhile. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/erstwhile/immemorial.
Google Ngram Viewer shows how "erstwhile" and "immemorial" have occurred on timeline