/ Dictionary / Index P preponderant: Meaning and Definition of Find definitions for: pre•pon•der•ant Pronunciation: (pri-pon'dur-unt), [key] — adj. superior in weight, force, influence, numbers, etc.; prevailing: a preponderant misconception. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: preponderant (Thesaurus) preponderance preponderate Related Content Daily Word Quiz: careening Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language