mess up
phrasal verbTo save this word, you'll need to log in.
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 + onShe's afraid she'll mess up on the test.I messed up on my first attempt.
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