English

Definition of undertake verb from the Oxford Advanced Learner's Dictionary

      

    undertake

     verb
    verb
    BrE BrE//ˌʌndəˈteɪk//
     
    ; NAmE NAmE//ˌʌndərˈteɪk//
     
    (formal)Verb Forms present simple I / you / we / they undertake
    BrE BrE//ˌʌndəˈteɪk//
     
    ; NAmE NAmE//ˌʌndərˈteɪk//
     
    he / she / it undertakes
    BrE BrE//ˌʌndəˈteɪks//
     
    ; NAmE NAmE//ˌʌndərˈteɪks//
     
    past simple undertook
    BrE BrE//ˌʌndəˈtʊk//
     
    ; NAmE NAmE//ˌʌndərˈtʊk//
     
    past participle undertaken
    BrE BrE//ˌʌndəˈteɪkən//
     
    ; NAmE NAmE//ˌʌndərˈteɪkən//
     
    -ing form undertaking
    BrE BrE//ˌʌndəˈteɪkɪŋ//
     
    ; NAmE NAmE//ˌʌndərˈteɪkɪŋ//
     
     
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  1. 1undertake something to make yourself responsible for something and start doing it to undertake a task/project University professors both teach and undertake research. The company has announced that it will undertake a full investigation into the accident.
  2. 2undertake to do something | undertake that… to agree or promise that you will do something He undertook to finish the job by Friday.
  3. Extra examples The directors of the company refused to undertake such a risky venture. The research intitiative is being undertaken by a group of environmentalists. They have undertaken a reappraisal of students’ needs. They undertook to finish the job by Friday. University professors both teach and undertake research.
See the Oxford Advanced American Dictionary entry: undertake