Eldest and Perpetual

Eldest

Eldest adjective - First in order of birth.

Perpetual and eldest are semantically related. in traditional topic. In some cases you can use "Perpetual" instead an adjective "Eldest".

Perpetual

Perpetual adjective - Going on and on without any interruptions.

Eldest and perpetual are semantically related. Sometimes you can replace term "Eldest" with "Perpetual", this adjectives are similar.

Cite this Source
Perpetual and Eldest. (2016). Retrieved 2026, July 29, from https://thesaurus.plus/related/eldest/perpetual
Eldest & Perpetual. N.p., 2016. Web. 29 Jul. 2026. <https://thesaurus.plus/related/eldest/perpetual>.
Perpetual or Eldest. 2016. Accessed July 29, 2026. https://thesaurus.plus/related/eldest/perpetual.
Google Ngram Viewer shows how "eldest" and "perpetual" have occurred on timeline