cut down cut down {v.} To lessen; reduce; limit. Tom had to cut down expenses. The doctor told Mr. Jones to cut down on smoking. Categories: add yours {v.} Source: A Dictionary of American Idioms by A. Makkai, M.T. Boatner, J.E. Gates © 2024 To section: C Subscribe to: American IdiomsIdioms feedEnglish languageHome page and general feed Discuss