spell trouble spell trouble {v. phr.} To signify major difficulties ahead. The note we just received from the Chancellor seems to spell trouble. Categories: add yours {v. 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 Post my comment