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WordReference Random House Learner's Dictionary of American English © 2024smart•en /ˈsmɑrtən/USA pronunciation v. - to (cause to) become more aware, shrewd, or clever: [~ + up]When will you smarten up; you're being made a fool of![~ + object + up]Can anything smarten her up?[~ + up + object]Nothing can smarten up that loser.
WordReference Random House Unabridged Dictionary of American English © 2024smart•en (smär′tn),USA pronunciation 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. - smarten up:
- 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.
Collins Concise English Dictionary © HarperCollins Publishers:: smarten /ˈsmɑːtən/ vb (usually followed by up)- (intransitive) to make oneself neater
- (transitive) to make quicker or livelier
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