Defunct and Erstwhile

Defunct

Defunct adjective - No longer existing.

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

Erstwhile

Erstwhile adjective - Having been such at some previous time.
Usage example: my erstwhile friend ignored me when I ran into her at the mall

Defunct and erstwhile are semantically related. Sometimes you can use "Defunct" instead an adjective "Erstwhile".
Cite this Source
Erstwhile and Defunct. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/defunct/erstwhile
Defunct & Erstwhile. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/defunct/erstwhile>.
Erstwhile or Defunct. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/defunct/erstwhile.
Google Ngram Viewer shows how "defunct" and "erstwhile" have occurred on timeline