stone-deaf . stone-deaf {adj. phr.} Completely deaf. Sam is stone-deaf so let him read your lips if you know no sign language. Categories: add yours {adj. phr.} Source: A Dictionary of American Idioms by A. Makkai, M.T. Boatner, J.E. Gates © 2024 To section: S Subscribe to: American IdiomsIdioms feedEnglish languageHome page and general feed Leave my opinion