Back down and Undertake

Back down

Back down verb - To break a promise or agreement.

Undertake is an antonym for back down.

Undertake

Undertake verb - To take to or upon oneself.
Usage example: undertook the responsibility of raising the orphaned children as their own

Back down is an antonym for undertake.

Cite this Source
Undertake and Back down. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/back_down/undertake
Back down & Undertake. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/back_down/undertake>.
Undertake or Back down. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/back_down/undertake.
Google Ngram Viewer shows how "back down" and "undertake" have occurred on timeline