undertaking

noun

un·​der·​tak·​ing ˈən-dər-ˌtā-kiŋ How to pronounce undertaking (audio)
ˌən-dər-ˈtā-;
sense 1b is ˈən-dər-ˌtā- only
Synonyms of undertakingnext
1
a
: the act of one who undertakes or engages in a project or business
b
: the business of an undertaker
2
: something undertaken : enterprise
3

Examples of undertaking in a Sentence

The restoration of the old theater is a huge undertaking. He advised us against such a risky undertaking.
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.
Most examples will have received a comprehensive restoration by this time, a serious undertaking that can well exceed the cost of a convertible in concourse condition, which is worth about $500,000. Robert Ross, Robb Report, 13 Feb. 2026 The undertaking that started in October resulted in the recovery of 176 firearms in the state and vast amounts of drugs, including fentanyl and other substances, KTAL/KMSS reported. Alex Nitzberg, FOXNews.com, 13 Feb. 2026 While the payoff potential could be an economic boon, the sacrifices needed to finance the undertaking are not without risk to an area’s millions of residents. Sasha Rogelberg, Fortune, 13 Feb. 2026 Trump has sought to avoid a similar fate with his site, which is a much smaller undertaking, and to ensure the initiative delivers visible political payoff. Democrat-Gazette Staff From Wire Reports, Arkansas Online, 6 Feb. 2026 See All Example Sentences for undertaking

Word History

First Known Use

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

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

Browse Nearby Words

Cite this Entry

“Undertaking.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/undertaking. Accessed 17 Feb. 2026.

Kids Definition

undertaking

noun
un·​der·​tak·​ing ˈən-dər-ˌtā-kiŋ How to pronounce undertaking (audio)
ˌən-dər-ˈtā-kiŋ;
sense 1b is ˈən-dər-ˌtā-kiŋ
only
1
a
: the act of a person who undertakes something
b
: the business of an undertaker
2
: something undertaken

Legal Definition

undertaking

noun
un·​der·​tak·​ing
1
: a promise or pledge especially required by law
2
: something (as cash or a written promise) deposited or given as security especially in a court

Note: Undertakings are often required of one party during property actions (as for attachment) in order to compensate the other party should the court's action (as in attaching the property) be found unjustified later.

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