Definition of muck up phrasal verb from the Oxford Advanced Learner's Dictionary


muck up

 phrasal verb
phrasal verb
jump to other results
Phrasal Verbs

    muck somethingup

    (informal, especially British English)
    jump to other results
  1. 1to do something badly so that you fail to achieve what you wanted or hoped to achieve synonym mess up He completely mucked up his English exam.
  2. 2to spoil a plan or an arrangement synonym mess up
  3. 3to make something dirty I don't want you mucking up my nice clean floor.
See the Oxford Advanced American Dictionary entry: muck up