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
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The two messed up, leading to Welles' failure. Lori A Bashian, FOXNews.com, 22 Dec. 2025 Why even risk messing up a good thing? Bennett Durando, Denver Post, 20 Dec. 2025 Charles LeClaire / Imagn Images The college football calendar is messed up, and something needs to be done about it. Manny Navarro, New York Times, 17 Dec. 2025 When a white coach messes up, there’s context. Okla Jones, Essence, 12 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 31 Dec. 2025.

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