Erstwhile and Prehistoric

Erstwhile

Erstwhile adjective - Having been such at some previous time.

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

Prehistoric

Prehistoric adjective - Having passed its time of use or usefulness.
Usage example: prehistoric notions about mental illness that have no place in today's world

Erstwhile and prehistoric are semantically related. Sometimes you can use "Erstwhile" instead an adjective "Prehistoric".

Nearby Word: prehistory
Cite this Source
Prehistoric and Erstwhile. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/erstwhile/prehistoric
Erstwhile & Prehistoric. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/erstwhile/prehistoric>.
Prehistoric or Erstwhile. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/erstwhile/prehistoric.
Google Ngram Viewer shows how "erstwhile" and "prehistoric" have occurred on timeline