Back down and Knuckle under

Back down

Back down verb - To break a promise or agreement.

Knuckle under and back down are semantically related In some cases you can use "Knuckle under" instead a verb "Back down".

Knuckle under

Knuckle under verb - To cease resistance (as to another's arguments, demands, or control).

Back down and knuckle under are semantically related in surrender topic. Sometimes you can use "Back down" instead a verb "Knuckle under".
Cite this Source
Knuckle under and Back down. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/back_down/knuckle_under
Back down & Knuckle under. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/back_down/knuckle_under>.
Knuckle under or Back down. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/back_down/knuckle_under.
Google Ngram Viewer shows how "back down" and "knuckle under" have occurred on timeline