- past tense form of undertake.
undertook
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
He undertook a de-radicalisation programme and now delivers counter-extremism sessions around the UK.
From BBC ● Aug. 4, 2026
And she undertook a thorough review of the sehottische, making sure to confine the dancing to the nursery this time.
From "The Incorrigible Children of Ashton Place: Book I: The Mysterious Howling" by Maryrose Wood
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