Antediluvian and Outdated

Antediluvian

Antediluvian adjective - Dating or surviving from the distant past.

Outdated and antediluvian are semantically related in out of date topic. In some cases you can use "Outdated" instead an adjective "Antediluvian".

Outdated

Outdated adjective - Having passed its time of use or usefulness.
Usage example: an outdated rotary telephone

Antediluvian and outdated are semantically related in old-fashioned topic. You can use "Antediluvian" instead an adjective "Outdated".
Cite this Source
Outdated and Antediluvian. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/antediluvian/outdated
Antediluvian & Outdated. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/antediluvian/outdated>.
Outdated or Antediluvian. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/antediluvian/outdated.
Google Ngram Viewer shows how "antediluvian" and "outdated" have occurred on timeline