Antediluvian and Untested

Opposite meaning words

Antediluvian adjective - Dating or surviving from the distant past.

Usage example: found evidence in the Middle East of an antediluvian people previously unknown to history

Show all Definitions

Untested is an antonym for antediluvian.

Untested adjective - Not yet proved or subjected to testing.

Show all Definitions

Antediluvian is an antonym for untested.

Cite this Source

Untested and Antediluvian. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/antediluvian/untested

Antediluvian & Untested. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/antediluvian/untested>.

Untested or Antediluvian. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/antediluvian/untested.

Google Ngram Viewer shows how "antediluvian" and "untested" have occurred on timeline