Breadcrumb Home > Dictionary > Index P pep: Meaning and Definition of Find definitions for: pep Pronunciation: (pep), [key] — n., v., pepped, pep•ping. —n. lively spirits or energy; vigor; animation. —v.t., v.i. to make or become spirited, vigorous, or lively; animate: We need something to pep up this party. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: pep (Thesaurus) Peoria peperomia TrendingHere are the facts and trivia that people are buzzing about. Biographies: Notable Jewish Religious Leaders Current Events This Week: September 2023 Hispanic Population and the 2010 U.S. Census 50 Spookiest Halloween Quotes Preamble of the United Nations Charter The Jewish Calendar ✖ Related Content Daily Word Quiz: effete Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language