forgive and forget . forgive and forget {v.} To have no bad feelings about what happened in the past. After the argument the boys decided to forgive and forget. Syn.: LET BYGONES BE BYGONES, LIVE AND LET LIVE. Categories: add yours {v.} Source: A Dictionary of American Idioms by A. Makkai, M.T. Boatner, J.E. Gates © 2024 To section: F Subscribe to: American IdiomsIdioms feedEnglish languageHome page and general feed Discuss