/ Dictionary / Index S smarten: Meaning and Definition of Find definitions for: smart•en Pronunciation: (smär'tn), [key] — v.t. to make more trim or spruce; improve in appearance (usually fol. by up): Try to smarten up your outfit. to make brisker, as a pace. to sharpen the judgment or broaden the experience of; educate (usually fol. by up): Someone has to smarten him up about dealing with people. to smarten up before dinner. to groom oneself:to smarten up before dinner. to become aware of one's mistakes, shortcomings, etc., and make efforts to correct them:If you don't smarten up, you're going to be out of a job. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. smart bomb smartish Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language