/ Dictionary / Index P plumper: Meaning and Definition of Find definitions for: plump•er Pronunciation: (plum'pur), [key] — n. an act of falling heavily; a plumping. the vote of a person who plumps. plump•er Pronunciation: (plum'pur), [key] — n. something carried in the mouth to fill out hollow cheeks. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: plumper (Thesaurus) plumpen plumpish 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