Dictionary

undertake

verb un·der·take \ˌən-dər-ˈtāk\

: to begin or attempt (something)

: to agree or promise to do (something)

un·der·took\-ˈtk\un·der·tak·en\-ˈtā-kən\un·der·tak·ing

Full Definition of UNDERTAKE

transitive verb
1
:  to take upon oneself :  set about :  attempt <undertake a task> <undertake to learn to swim>
2
:  to put oneself under obligation to perform; also :  to accept as a charge or responsibility <the lawyer who undertook the case>
3
:  guarantee, promise <readily undertook that the letter should be securely conveyed — Sir Walter Scott>
intransitive verb
archaic :  to give surety or assume responsibility

Examples of UNDERTAKE

  1. He's undertaking a thorough search.
  2. The researchers undertook a series of studies.

First Known Use of UNDERTAKE

14th century
UNDERTAKE Defined for Kids

undertake

verb un·der·take \ˌən-dər-ˈtāk\
un·der·took \-ˈtk\un·der·tak·en \-ˈtā-kən\un·der·tak·ing

Definition of UNDERTAKE for Kids

1
:  to plan or try to accomplish <They undertook a trip around the world.>
2
:  to take on as a responsibility :  agree <I undertake to deliver your package.>

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July 06, 2015
categorical Hear it
absolute or relating to a category
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