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mess up

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phrasal verb
Word Forms
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present tense
I/you/we/theymess up
he/she/itmesses up
present participlemessing up
past tensemessed up
past participlemessed up
  1. 1
    [intransitive/transitive] to make a mistake, or to do something badly

    She thinks she completely messed up the interview.

    You messed up. Don't let it happen again.

  2. 2
    [transitive] to make something dirty or not neat

    They had managed to mess up the whole office.

    The wind had messed his hair up.

  3. 3
    [transitive] informal to be the cause of someone's physical, emotional, or mental problems

    Drugs really messed her up.

    The virus messed up my body so badly that they told me I was going to die.

  4. 4
    [transitive] to damage or spoil something

    I'm not going to let him mess up my life.

See also main entry: mess

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