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plug

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verb American English pronunciation: plug /plʌɡ/ 
Word Forms
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present tense
I/you/we/theyplug
he/she/itplugs
present participleplugging
past tenseplugged
past participleplugged
  1. 1

    plug

    or

    plug up

    [transitive] to fill a hole so that nothing can get through it
    plug something with something:

    Plug the hole with newspaper before applying the cement.

  2. 2
    [intransitive/transitive] [usually passive] American to block pipes of a sink, toilet, etc. so that water or waste cannot flow normally down the pipes

    The shower is plugged up – don't use it.

    Paper towels will plug the toilet.

  3. 4
    [transitive] American informal old-fashioned to shoot someone

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