straighten up

phrasal verb
straightened up; straightening up; straightens up

Definition of straighten up

1 : to make (something) organized or tidy : to put (something) in order They straightened up the house after the party.
2 : to move the body to an upright position Straighten up. There's no excuse for slouching.
3 US : to improve in behavior You need to straighten up, young man.

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Dictionary Entries Near straighten up

straighten out

straighten up

straight face

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Cite this Entry

“Straighten up.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/straighten%20up. Accessed 8 Aug. 2022.

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More from Merriam-Webster on straighten up

Nglish: Translation of straighten up for Spanish Speakers

Britannica English: Translation of straighten up for Arabic Speakers

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