Immemorial and Untested

Opposite meaning words

Immemorial adjective - Dating or surviving from the distant past.

Usage example: the immemorial Alps, where once Hannibal's army marched

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Untested is an antonym for immemorial.

Untested adjective - Not yet proved or subjected to testing.

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Immemorial is an antonym for untested.

Cite this Source

Untested and Immemorial. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/immemorial/untested

Immemorial & Untested. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/immemorial/untested>.

Untested or Immemorial. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/immemorial/untested.

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