mess up

phrasal verb

messed up; messing up; messes up
informal
: to make a mistake : to do something incorrectly
About halfway into the recipe, I realized that I had messed up, and I had to start over.
often + on
She's afraid she'll mess up on the test.
I messed up on my first attempt.

Examples of mess up in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
But even the most rigorous resolution-adopter will mess up at some point. Gillian Mohney, Verywell Health, 9 Jan. 2026 The Sacramento Bee spoke with Anya-Gafu about what steps state workers should take if California messes up their paychecks. William Melhado, Sacbee.com, 9 Jan. 2026 Work is made more stressful thanks to the contributions of her husband, Hal Wyler (Rufus Sewell), a former diplomat to Lebanon whose current unemployment leaves him a lot of time to mess up Kate’s job. Kevin Jacobsen, Entertainment Weekly, 2 Jan. 2026 That kinda gets messed up for us. Chantz Martin, FOXNews.com, 30 Dec. 2025 See All Example Sentences for mess up

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Cite this Entry

“Mess up.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mess%20up. Accessed 13 Jan. 2026.

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