be out to . be out to {v. phr.} To intend to do; to plan to commit. The police felt that the gang may be out to rob another store. Categories: add yours {v. phr.} Source: A Dictionary of American Idioms by A. Makkai, M.T. Boatner, J.E. Gates © 2024 » In RussianTo section: B Subscribe to: American IdiomsIdioms feedEnglish languageHome page and general feed Discuss