Cop out
Cop out verb - To break a promise or agreement.
Cite this Source
Stiffed and Cop out. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/cop_out/stiffed
Cop out & Stiffed. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/cop_out/stiffed>.
Stiffed or Cop out. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/cop_out/stiffed.
Google Ngram Viewer shows how "cop out" and "stiffed" have occurred on timeline