Definition of mess something up in English:

mess something up

phrasal verb

informal
  • Spoil something by inept handling.

    ‘an error like that could easily mess up an entire day's work’
    • ‘He has a lot of pride in his work and he doesn't need me messing it up.’
    • ‘But the thing is, politics in Canada these days are messed up; most of the candidates simply don't deserve our votes, and the major parties certainly don't deserve our money.’
    • ‘He also said he had no problems staying on, but that some of his plans were messed up as a result.’
    • ‘If you get nervous you just end up messing things up.’
    • ‘Jessica figured Michael knew his choreography like the back of his hand to ever mess it up too easily.’
    • ‘‘It's very stressful,’ Nieh says, ‘because if I mess it up, the magic is spoiled for the audience.’’
    • ‘And the thing is, her life is messed up forever and his life is messed up forever.’
    • ‘The minority are messing it up for the majority who are doing things correctly.’
    • ‘Dennis guessed that if you knew whose house it was, maybe you'd feel worse about messing it up.’
    • ‘He'd completely ransacked the room, the doors were open, the iron was off the wall, the bed was messed up and he'd used the toilet.’
    bungle, botch, fluff, fumble, make a mess of, mismanage, mishandle, misdirect, misgovern, misconduct, mar, spoil, ruin, mangle, wreck
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