/ Dictionary / Index P prevalent: Meaning and Definition of Find definitions for: prev•a•lent Pronunciation: (prev'u-lunt), [key] — adj. widespread; of wide extent or occurrence; in general use or acceptance. having the superiority or ascendancy. effectual or efficacious. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: prevalent (Thesaurus) prevailing prevaricate Related Content Daily Word Quiz: cur Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language