dead tired . dead tired {adj. phr.}, {informal} Very tired; exhausted; worn out. She was dead tired at the end of the day's work. Compare: DEAD ON ONE'S FEET. Categories: add yours {adj. phr.} {informal} Source: A Dictionary of American Idioms by A. Makkai, M.T. Boatner, J.E. Gates © 2024 » In RussianTo section: D Subscribe to: American IdiomsIdioms feedEnglish languageHome page and general feed Comment on this entry