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muck - definition and synonyms


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verb muck pronunciation in British English /mʌk/
Word Forms
present tense
present participlemucking
past tensemucked
past participlemucked
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phrasal verbs

muck about

or muck around

Word Forms
present tense
I/you/we/theymuck about
he/she/itmucks about
present participlemucking about
past tensemucked about
past participlemucked about
British informal
  1. 3
    [intransitive]muck about with something to damage or spoil something

muck in

Word Forms
present tense
I/you/we/theymuck in
he/she/itmucks in
present participlemucking in
past tensemucked in
past participlemucked in
British informal

muck out

Word Forms
present tense
I/you/we/theymuck out
he/she/itmucks out
present participlemucking out
past tensemucked out
past participlemucked out
to clean a place or building where farm animals live
It was always my job to muck out the barn.

muck up

Word Forms
present tense
I/you/we/theymuck up
he/she/itmucks up
present participlemucking up
past tensemucked up
past participlemucked up
  1. 1
    [intransitive/transitive] to not deal with something well or skilfully so that you do not achieve what you intended
    I couldn’t take the risk of mucking up my chances.
  2. 2
    [transitive] to spoil something or prevent it from being successful
    Well that’s completely mucked up my evening.
  3. 3
    [transitive] to make something dirty or untidy
    Don’t muck up the clean floor.


a course of study which is much shorter than a university course and focuses on the skills you need for a job, especially computer-related skills

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a stupid person

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an ancient Roman system of underfloor heating, used to heat houses with hot air; from the Latin 'hypocaustum'

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