/ Dictionary / Index D downsize: Meaning and Definition of Find definitions for: down•size Pronunciation: (doun'sīz"), [key] — v., adj. -sized, -siz•ing, —v.t. to design or manufacture a smaller version or type of: The automotive industry downsized its cars for improved fuel economy. to reduce in number; cut back. —adj. being of a smaller size or version: a downsize car. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: downsize (Thesaurus) downside downslide Related Content Daily Word Quiz: impetuous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language