Challenge and Sign over

Opposite meaning terms

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

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Sign over is an antonym for challenge.

Sign over verb - Formally assign ownership of.

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Challenge is an antonym for sign over in abandon topic.

Cite this Source

Sign over and Challenge. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/challenge/sign_over

Challenge & Sign over. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/challenge/sign_over>.

Sign over or Challenge. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/challenge/sign_over.

Google Ngram Viewer shows how "challenge" and "sign over" have occurred on timeline