Antediluvian and Earliest

Antediluvian

Antediluvian adjective - Dating or surviving from the distant past.

Earliest and antediluvian are semantically related. in before the flood topic. In some cases you can use "Earliest" instead an adjective "Antediluvian".

Earliest

Earliest adjective - Coming before all others in time or order.

Antediluvian and earliest are semantically related. Sometimes you can use "Antediluvian" instead an adjective "Earliest".
Cite this Source
Earliest and Antediluvian. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/antediluvian/earliest
Antediluvian & Earliest. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/antediluvian/earliest>.
Earliest or Antediluvian. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/antediluvian/earliest.
Google Ngram Viewer shows how "antediluvian" and "earliest" have occurred on timeline