/ Dictionary / Index P PPE: Meaning and Definition of Find definitions for: PPE Pronunciation: [key] — Brit. Brit. philosophy, politics, and economics. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. p.p.d.o. P.P.F. Related Content Daily Word Quiz: frugal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language