/ Dictionary / Index P predominant: Meaning and Definition of Find definitions for: pre•dom•i•nant Pronunciation: (pri-dom'u-nunt), [key] — adj. having ascendancy, power, authority, or influence over others; preeminent. preponderant; prominent: a predominant trait; the predominant color of a painting. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: predominant (Thesaurus) predominance predominate Related Content Daily Word Quiz: cygnet Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language