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Meaning of “undertake” in the English Dictionary

"undertake" in British English

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undertakeverb [T]

uk   /ˌʌn.dəˈteɪk/  us   /ˌʌn.dɚˈteɪk/ (undertook, undertaken)
  • undertake verb [T] (DO)

C1 formal to do or ​begin to do something, ​especially something that will take a ​longtime or be ​difficult: Students are ​required to undertake ​simpleexperiments.

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  • undertake verb [T] (PROMISE)

C2 formal to ​promise that you will do something: [+ to infinitive] She undertook not topublish the ​names of the ​peopleinvolved. [+ that] The ​government undertook that the ​buildings would not be ​redeveloped.
(Definition of undertake from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"undertake" in American English

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undertakeverb

 us   /ˌʌn·dərˈteɪk/ (past tense undertook  /ˌʌn·dərˈtʊk/ , past participle undertaken  /ˌʌn·dərˈteɪ·kən/ )
to take ​responsibility for and ​begin doing something: [T] The ​presidentdirected the ​Department of Justice to undertake an ​investigation of the ​allegations. [+ to infinitive] I undertook to ​help him ​learnEnglish.
(Definition of undertake from the Cambridge Academic Content Dictionary © Cambridge University Press)

"undertake" in Business English

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undertakeverb

uk   us   /ˌʌndəˈteɪk/ (undertook, undertaken)
[T] to do or begin to do something, especially something that will take a ​longtime or be difficult: He ​needs to undertake a proper cashflow and ​budgetingexercise. Some ​companies have undertaken a thorough ​transformation of their ​productionmethods.
[I] formal to promise or ​agree that you will do something: undertake to do sth All ​banks have undertaken to give ​printouts on ​request of ​standingorders and ​directdebits.
(Definition of undertake from the Cambridge Business English Dictionary © Cambridge University Press)
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“undertake” in British English

“undertake” in Business English

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