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undertook

American  
[uhn-der-took] / ˌʌn dərˈtʊk /

verb

  1. the simple past tense of undertake.

undertook British  
/ ˌʌndəˈtʊk /

verb

  1. the past tense of undertake

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Racing engineer Owen Wyn Owens undertook the work at his garage in Capel Curig and Babs has since been displayed at the Pendine Museum of Speed.

From BBC • Apr. 27, 2026

In 1997, while working as one, he undertook a personal weekend project documenting shuttered New York subway power stations.

From The Wall Street Journal • Apr. 25, 2026

Until hours before the first strike, Emirati officials undertook intensive diplomatic efforts from Tehran to Washington.

From The Wall Street Journal • Mar. 25, 2026

According to the prosecution, Yuen and Wai "undertook surveillance on her address, as if they were a legitimate UK police operation".

From BBC • Mar. 4, 2026

An industrial firm recently undertook to find out just how few.

From "Silent Spring" by Rachel Carson

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.