Invalidate and Ratify

Invalidate

Invalidate verb - To put an end to by formal action.
Usage example: those nations eventually invalidated their trade agreement

Ratify is an antonym for invalidate in topics: nullify, render null and void.

Ratify

Ratify verb - To give official acceptance of as satisfactory.

Invalidate is an antonym for ratify in affirm topic.

Nearby Words: ratification, ratified, ratifying
Cite this Source
Ratify and Invalidate. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/invalidate/ratify
Invalidate & Ratify. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/invalidate/ratify>.
Ratify or Invalidate. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/invalidate/ratify.
Google Ngram Viewer shows how "invalidate" and "ratify" have occurred on timeline