Attest and Challenge

Attest

Attest verb - To give evidence or testimony to the truth or factualness of.
Usage example: I'll attest that she was at the party

Challenge is an antonym for attest.

Challenge

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

Attest is an antonym for challenge.

Common collocations

times attest times challenge times

Both words in one sentence

  • Video Game / Escape Velocity As someone who back in high school took over most of the known galaxy with Hector on my tail the entire time, I can attest that the challenge is more tedious than entertaining.
Cite this Source
Challenge and Attest. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/attest/challenge
Attest & Challenge. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/attest/challenge>.
Challenge or Attest. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/attest/challenge.
Google Ngram Viewer shows how "attest" and "challenge" have occurred on timeline