odds are against odds are against {v. phr.} The likelihood of success is not probable; the chances of success are poor. The odds are against her getting here before Monday. Categories: add yours success {v. phr.} Source: A Dictionary of American Idioms by A. Makkai, M.T. Boatner, J.E. Gates © 2024 To section: O Subscribe to: American IdiomsIdioms feedEnglish languageHome page and general feed Post my comment