Breadcrumb Home > Dictionary > Index M motile: Meaning and Definition of Find definitions for: mo•tile Pronunciation: (mōt'l, mō'til), [key] — adj. moving or capable of moving spontaneously: motile cells; motile spores. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: motile (Thesaurus) motif motion ✖ Related Content Daily Word Quiz: criticaster Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language