/ Dictionary / Index P ppp: Meaning and Definition of Find definitions for: ppp Pronunciation: [key] — Music. Music. pianississimo; double pianissimo. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: ppp (Thesaurus) PPO ppr. Related Content Daily Word Quiz: opulent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language