/ Dictionary / Index M mud slide: Meaning and Definition of Find definitions for: mud' slide" Pronunciation: [key] mudflow. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: mudslide (Thesaurus) mudskipper mudslinging 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