/ Dictionary / Index M mushmouth: Meaning and Definition of Find definitions for: mush•mouth Pronunciation: (mush'mouth", moosh'-), [key] — pl. -mouths a person who speaks indistinctly. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. mushmelon mushroom Related Content Daily Word Quiz: placid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language