/ Dictionary / Index F flip side: Meaning and Definition of Find definitions for: flip' side" Pronunciation: [key] — Informal. Informal. the reverse and usually less popular side of a phonograph record. an opposite, reverse, or sharply contrasted side or aspect of something or someone: The flip side of their charitable activities is a desire for publicity. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. flipping Flip-Top Related Content Daily Word Quiz: morose Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language