Dictionary.com
Thesaurus.com
Synonyms

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.

It was during this time that Field began to publish his first pieces, after which he undertook a concert tour with his mentor to Paris, Vienna and St. Petersburg.

From The Wall Street Journal • Apr. 29, 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

But it resurfaced when its owners presented it for tests at the Rijksmuseum in Amsterdam, which undertook a two-year examination.

From BBC • Mar. 2, 2026

What his sons and their contemporaries undertook, instead, was a massive spring clean of musical style and a project to celebrate not earnestness but wit, not inventiveness but elegance, not piety but beauty.

From "The Story of Music" by Howard Goodall

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.