/ Dictionary / Index M meantime: Meaning and Definition of Find definitions for: mean•time Pronunciation: (mēn'tīm"), [key] — n. the intervening time: The party is Tuesday, but in the meantime I have to shop and prepare the food. —adv. meanwhile. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: meantime (Thesaurus) meant meantone system Related Content Daily Word Quiz: abominable Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language