/ Dictionary / Index S self-operating: Meaning and Definition of Find definitions for: self-op•er•at•ing Pronunciation: (self"op'u-rā"ting, self'-), [key] — adj. automatic. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. selfness self-opinion Related Content Daily Word Quiz: denizen Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language