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Synonyms

smarten

American  
[smahr-tn] / ˈsmɑr tn /

verb (used with object)

  1. to make more trim or spruce; improve in appearance (usually followed byup ).

    Try to smarten up your outfit.

  2. to make brisker, as a pace.

  3. to sharpen the judgment or broaden the experience of; educate (usually followed byup ).

    Someone has to smarten him up about dealing with people.


verb phrase

  1. smarten up

    1. to groom oneself.

      to smarten up before dinner.

    2. 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.

smarten British  
/ ˈsmɑːtən /

verb

  1. (intr) to make oneself neater

  2. (tr) to make quicker or livelier

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of smarten

First recorded in 1805–15; smart + -en 1

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

"They can fix it," one Whitehall source says, but "they have to realise they have caused it and smarten up how they make decisions".

From BBC Jul. 2, 2025

“They’re just so good on the power play. So let’s just smarten up in that area.”

From Los Angeles Times Apr. 23, 2024

“I would like to see people smarten up so that we don’t have to have a mandate in the first place,” she said.

From New York Times Dec. 27, 2021

This will not only smarten up the tree but, more importantly, also leave a small, clean wound that will heal more quickly.

From Washington Post Aug. 3, 2021

Pretty soon they smarten up, and Blade says, "Smaller rocks! Get me smaller rocks!" and I know in my heart we're doomed.

From "Freak The Mighty" by Rodman Philbrick

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