/ Dictionary / Index S SOF: Meaning and Definition of Find definitions for: SOF Pronunciation: [key] sound on a film. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. soever sofa Related Content Daily Word Quiz: eureka Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language