as in to endanger
to place in danger
a single mistake could imperil the lives of everyone involved in the military operation
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Recent Examples of imperil
Reimbursements haven’t been returned by the federal government, which could imperil the project moving ahead.
—
Eduardo Cuevas, USA Today, 17 Mar. 2026
Originally introduced from the African continent for erosion control and as livestock forage, now this species is imperiling Arizona’s beloved saguaro cactuses, palo verde and summer wildflowers, transforming swaths of the Sonoran Desert into a grassland monoculture.
—Shi En Kim, AZCentral.com, 13 Mar. 2026
But Iran has multiple ways to imperil vessels in the Strait of Hormuz.
—Phillips Payson O’Brien, The Atlantic, 13 Mar. 2026
Some national housing groups have pushed back strongly against that provision, which could imperil the legislation going forward.
—Stephen Hobbs, Sacbee.com, 12 Mar. 2026
See All Example Sentences for imperil
Eduardo Cuevas, USA Today, 17 Mar. 2026
Originally introduced from the African continent for erosion control and as livestock forage, now this species is imperiling Arizona’s beloved saguaro cactuses, palo verde and summer wildflowers, transforming swaths of the Sonoran Desert into a grassland monoculture.
—Shi En Kim, AZCentral.com, 13 Mar. 2026
But Iran has multiple ways to imperil vessels in the Strait of Hormuz.
—Phillips Payson O’Brien, The Atlantic, 13 Mar. 2026
Some national housing groups have pushed back strongly against that provision, which could imperil the legislation going forward.
—Stephen Hobbs, Sacbee.com, 12 Mar. 2026
See All Example Sentences for imperil
Recent Examples of Synonyms for imperil
Verb
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The most endangered is the New Zealand fairy tern, tara iti, with a population of less than 50, including 10 breeding females.—
Tom Page,
CNN Money,
19 Mar. 2026
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Your fast response and decisive actions prevented this foolish criminal act from endangering the rest of the county.—
Christa Swanson,
CBS News,
18 Mar. 2026
Verb
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He was taken to an area hospital in non-life threatening condition and is expected to survive.—
Lillie Davidson,
Fort Worth Star-Telegram,
22 Mar. 2026
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Research shows that abusers will threaten, harm or kill a beloved companion animal to manipulate and control the people who love them.—
Letters to the Editor,
The Orlando Sentinel,
21 Mar. 2026
Cite this Entry
“Imperil.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/imperil. Accessed 25 Mar. 2026.
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