Definition of undertake
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
archaic : to give surety or assume responsibility
Examples of undertake in a sentence
He's undertaking a thorough search.
The researchers undertook a series of studies.
First Known Use of undertake
UNDERTAKE Defined for English Language Learners
Definition of undertake for English Language Learners
: to begin or attempt (something)
: to agree or promise to do (something)
UNDERTAKE Defined for Kids
Seen and Heard
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