Synonyms 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
often followed by to + a verb
He undertook to raise his sister's children.
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 in a Sentence

He's undertaking a thorough search. The researchers undertook a series of studies.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
But ketogenic therapy shouldn’t be undertaken without medical supervision. Kelly Rogers Victor, USA Today, 6 Sep. 2026 But its exit from the continent’s most populous country has prompted fresh scrutiny of the conditions facing global companies as Nigeria undertakes an economic revamp. Alexander Onukwue, semafor.com, 4 Sep. 2026 Behind that diplomatic message, Beijing is undertaking a massive geographic reorganization of its computing infrastructure. Efrat Lachter, FOXNews.com, 4 Sep. 2026 As Fernandes undertook his trademark run-up, Tielemans mirrored him exactly, sidestepping and stuttering in synchronisation. Cerys Jones, New York Times, 4 Sep. 2026 See All Example Sentences for undertake

Word History

First Known Use

14th century, in the meaning defined at transitive sense 1

Time Traveler
The first known use of undertake was in the 14th century

Browse Nearby Words

Cite this Entry

“Undertake.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/undertake. Accessed 7 Sep. 2026.

Kids Definition

undertake

verb
1
: to take upon oneself as a task : enter upon
undertake a journey
2
: to take on as a duty : agree, contract
undertake to deliver a package
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