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undertake

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verb [transitive] British English pronunciation: undertake /ˌʌndə(r)ˈteɪk/ 
Word Forms
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present tense
I/you/we/theyundertake
he/she/itundertakes
present participleundertaking
past tenseundertook
past participleundertaken
  1. 1
    to agree to be responsible for a job or a project and do it

    The court will undertake a serious examination of the case.

    The most recent survey of rare birds was undertaken in 1991.

    It is one of the largest dam projects ever undertaken.

  2. 2
    formal to promise to do something
    undertake to do something:

    The government has undertaken to tackle unemployment as a priority.

    To join the club, you have to undertake to buy a minimum of six books a year.

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