/ Dictionary / Index P prevailing: Meaning and Definition of Find definitions for: pre•vail•ing Pronunciation: (pri-vā'ling), [key] — adj. predominant: prevailing winds. generally current: the prevailing opinion. having superior power or influence. effectual. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: prevailing (Thesaurus) prevail prevalent Related Content Daily Word Quiz: sinister Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language