mess up

phrasal verb
messed up; messing up; messes up

Definition of mess 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.

More from Merriam-Webster on mess up

Nglish: Translation of mess up for Spanish Speakers

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