Corroborate and Unsay

Corroborate

Corroborate verb - To give evidence or testimony to the truth or factualness of.

Unsay is an antonym for corroborate.

Unsay

Unsay verb - To solemnly or formally reject or go back on (as something formerly adhered to).

Corroborate is an antonym for unsay in topics: renege on, take back something said.
Cite this Source
Unsay and Corroborate. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/corroborate/unsay
Corroborate & Unsay. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/corroborate/unsay>.
Unsay or Corroborate. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/corroborate/unsay.
Google Ngram Viewer shows how "corroborate" and "unsay" have occurred on timeline