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
In neighboring Maine, Graham Platner was contending with a drumbeat of reports about his history with women that has left some Democrats worried that the party's path to a Senate majority is suddenly imperiled.
—
ABC News, 9 June 2026
In fact, in a time when artificial intelligence imperils the livelihoods – and lives – of laborers across economic classes, sumptuous spectacle can be an act of resistance in its own right.
—Eileen G'sell, The Conversation, 8 June 2026
The fighting threatens to further imperil the US’ talks with Iran, which has pegged a peace deal to a ceasefire in Lebanon.
—J.d. Capelouto, semafor.com, 4 June 2026
The result of all this has been a public-relations nightmare for CBS News, the sort of misadventure that in a different time would have prompted speculation Weiss was on the way out for imperiling the future of one journalism’s most storied franchises.
—Josef Adalian, Vulture, 3 June 2026
See All Example Sentences for imperil
ABC News, 9 June 2026
In fact, in a time when artificial intelligence imperils the livelihoods – and lives – of laborers across economic classes, sumptuous spectacle can be an act of resistance in its own right.
—Eileen G'sell, The Conversation, 8 June 2026
The fighting threatens to further imperil the US’ talks with Iran, which has pegged a peace deal to a ceasefire in Lebanon.
—J.d. Capelouto, semafor.com, 4 June 2026
The result of all this has been a public-relations nightmare for CBS News, the sort of misadventure that in a different time would have prompted speculation Weiss was on the way out for imperiling the future of one journalism’s most storied franchises.
—Josef Adalian, Vulture, 3 June 2026
See All Example Sentences for imperil
Recent Examples of Synonyms for imperil
Verb
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Sunshyne Davis, 25, and Robert White, 39, have been charged with murder, manslaughter and endangering the welfare of a child.—
Katie Houlis,
CBS News,
18 June 2026
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Pygmy hippos are classified as endangered by the International Union for Conservation of Nature (IUCN), with fewer than 2,500 adults remaining in the wild across parts of West Africa, including Côte d'Ivoire, Guinea, Liberia and Sierra Leone.—
Moná Thomas,
PEOPLE,
18 June 2026
Verb
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But labor unions and safety experts warn driverless big rigs could threaten jobs and public safety.—
Los Angeles Times,
Los Angeles Times,
21 June 2026
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Severe storms, flash flooding and extreme heat are battering parts of the Plains, Midwest and the South this weekend, threatening to disrupt World Cup fans, athletes and holiday travelers alike.—
Denise Chow,
NBC news,
20 June 2026
Cite this Entry
“Imperil.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/imperil. Accessed 21 Jun. 2026.
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