Confirm and Challenge

Confirm

Confirm verb - To give evidence or testimony to the truth or factualness of.
Usage example: several eyewitnesses who can confirm the defendant's account of what happened

Challenge is an antonym for confirm.

Challenge

Challenge verb - To demand proof of the truth or rightness of.

Confirm is an antonym for challenge.

Common collocations

claim confirm claim challenge claim
order confirm order challenge order
death confirm death challenge death
time confirm time challenge time
Other words: way, beliefs, times.
Cite this Source
Challenge and Confirm. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/confirm/challenge
Confirm & Challenge. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/confirm/challenge>.
Challenge or Confirm. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/confirm/challenge.
Google Ngram Viewer shows how "confirm" and "challenge" have occurred on timeline