/ Dictionary / Index M mump: Meaning and Definition of Find definitions for: mump Pronunciation: (mump, moomp), [key] — Brit. Dial. Brit. Dial. —v.t. to mumble; mutter. —v.i. to sulk; mope. to grimace. mump Pronunciation: (mump, moomp), [key] — Brit. Dial. Brit. Dial. —v.t. to cheat. —v.i. to beg. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. mummy bag mumps Related Content Daily Word Quiz: panacea Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language