Countersigned and Invalidate

Countersigned

Definitions of Countersigned not found.

Invalidate is an antonym for countersigned in endorse topic.

Nearby Words: countersign, countersigning

Invalidate

Invalidate verb - To put an end to by formal action.

Countersigned is an antonym for invalidate.

Cite this Source
Invalidate and Countersigned. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/countersigned/invalidate
Countersigned & Invalidate. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/countersigned/invalidate>.
Invalidate or Countersigned. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/countersigned/invalidate.
Google Ngram Viewer shows how "countersigned" and "invalidate" have occurred on timeline