/ Dictionary / Index S superdominant: Meaning and Definition of Find definitions for: su•per•dom•i•nant Pronunciation: (s"pur-dom'u-nunt), [key] — n. Music. submediant. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. superdelegate super-duper Related Content Daily Word Quiz: procrastinate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language