give no quarter give no quarter {v. phr.} To be ruthless and show no mercy. The enemy soldiers gave no quarter and shot all the prisoners. Categories: add yours {v. phr.} Source: A Dictionary of American Idioms by A. Makkai, M.T. Boatner, J.E. Gates © 2024 To section: G Subscribe to: American IdiomsIdioms feedEnglish languageHome page and general feed Discuss