/ Dictionary / Index P plumpen: Meaning and Definition of Find definitions for: plump•en Pronunciation: (plum'pun), [key] — v.t., v.i. to make or become plump. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. plump plumper 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