- past tense form of undertake.
undertook
Americanverb
verb
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.
Concern stems from recent reports that Anthropic blocked use of AI tools to develop bioweapons and that swarms of AI bots autonomously undertook massive hacking operations.
From Salon ● Sep. 14, 2026
TOKYO—Japan spent a record $98.7 billion to prop up the yen in the past month, as it undertook rare coordinated action with the U.S. to stabilize the currency.
From The Wall Street Journal ● Aug. 28, 2026
"We undertook this study to determine if vanillin, a flavor chemical often used in e-cigarettes at high concentrations, could adversely affect the development of young embryos in humans."
From Science Daily ● Aug. 28, 2026
New leadership will bring a change in strategic direction at the group in terms of how a new chairman approaches the ambitious expansion Chandrasekharan undertook, say experts.
From BBC ● Aug. 23, 2026
He and his twin brother Zethus undertook once to fortify Thebes, building a lofty wall around it.
From "Mythology: Timeless Tales of Gods and Heroes" by Edith Hamilton
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.
