Authenticate and Negative

Authenticate

Authenticate verb - To declare (something) to be true or genuine.

Negative is an antonym for authenticate.

Negative

Negative verb - To declare not to be true.
Usage example: the governor's press secretary promptly negatived the rumor that he was not intending to run for reelection

Authenticate is an antonym for negative.

Cite this Source
Negative and Authenticate. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/authenticate/negative
Authenticate & Negative. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/authenticate/negative>.
Negative or Authenticate. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/authenticate/negative.
Google Ngram Viewer shows how "authenticate" and "negative" have occurred on timeline