in fear of . in fear of {adj. phr.} Fearful of; afraid of. They live so close to the border that they are constantly in fear of an enemy attack. Categories: add yours fear {adj. phr.} Source: A Dictionary of American Idioms by A. Makkai, M.T. Boatner, J.E. Gates © 2024 To section: I Subscribe to: American IdiomsIdioms feedEnglish languageHome page and general feed Post my comment