turn over in one's mind turn over in one's mind {v. phr.} To carefully consider. I will have to turn it over in my mind whether to accept the new job offer from Japan. Categories: add yours {v. phr.} Source: A Dictionary of American Idioms by A. Makkai, M.T. Boatner, J.E. Gates © 2024 To section: T Subscribe to: American IdiomsIdioms feedEnglish languageHome page and general feed Leave my opinion