as likely as not as likely as not {adv. phr.} Probably. As likely as not, he will disappear forever. Categories: add yours {adv. phr.} Source: A Dictionary of American Idioms by A. Makkai, M.T. Boatner, J.E. Gates © 2024 » In RussianTo section: A Subscribe to: American IdiomsIdioms feedEnglish languageHome page and general feed Comment on this entry