/ Dictionary / Index O old fart: Meaning and Definition of Find definitions for: old' fart' Pronunciation: [key] fart (def. 2). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. oldfangled old fashioned Related Content Daily Word Quiz: frugal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language