IMPERILMENTS Synonyms: 54 Similar and Opposite Words

imperil 1 of 2

verb

im-ˈper-əl

Definition of imperil

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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Antonyms & Near Antonyms

imperilment

2 of 2

noun

as in risk

the state of not being protected from injury, harm, or evil the city has reduced the number of its firefighters, to the imperilment of every homeowner

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Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

Recent Examples of imperil

Verb

The latest truce agreement was reached after the two sides traded deadly fire on Friday, imperiling negotiations to reach a final peace deal between the United States and Iran. — Caitlin Danaher, CNN Money, 20 June 2026 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 Policies of the current federal administration and in certain states have imperiled our global leadership and prospects for the next generations of aspiring scholars of science with the potential for significant damage to our nation’s public health and biomedical and industrial leadership. — Tara Haelle, Scientific American, 16 June 2026 Renewable energy groups suing the Pentagon claim a freeze in national security reviews for wind farms on private land has halted new projects, imperiling $47 billion in investments and 120,000 jobs across 21 states. — Jennifer McDermott, Los Angeles Times, 12 June 2026 See All Example Sentences for imperil

Recent Examples of Synonyms for imperil

Verb

The zoo called Nangka's birth a major achievement for the genetic diversity and conservation of the species, which is critically endangered.

— Cecilio Padilla, CBS News, 30 June 2026
Court records show Pawnell faces charges including second-degree murder and endangering the welfare of a child.

— Natalie Neysa Alund, USA Today, 30 June 2026

Definition of endanger

Verb

The caller reported that a family member was threatening them.

— Nathan Pilling July 1, Kansas City Star, 2 July 2026
In the weeks since Fable 5 and Mythos 5 were forced out of commission, industry leaders and experts became increasingly worried that the ad-hoc ban would threaten America’s AI lead against China.

— Jared Perlo, NBC news, 1 July 2026

Definition of threaten

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imperials

imperil

imperiled

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“Imperil.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/imperil. Accessed 8 Jul. 2026.

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Synonyms of imperil

verb

noun

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