Definition of imperilnext
as in to endanger
to place in danger a single mistake could imperil the lives of everyone involved in the military operation

Synonyms & Similar Words

Relevance

Antonyms & Near Antonyms

imperilment

2 of 2

noun

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
Budget cuts imperiled one US mission to Venus and delayed the other, then forced NASA to pull out of a partnership with Europe to supply a key part for Envision. — Stephen Clark, ArsTechnica, 14 Oct. 2026 BikePGH shared a video of a cyclist imperiled while getting around a FedEx truck parked in a bike lane, and the organization said the surveillance cameras have made their life safer. — Andy Sheehan, CBS News, 5 Oct. 2026 Amendment 87, however, would eliminate our competitive edge and imperil our state’s economic growth. — Krista Kafer, Denver Post, 4 Oct. 2026 At its worst, this can imperil an organization’s future growth and even survival. — Carol Geffner, Forbes.com, 29 Sep. 2026 See All Example Sentences for imperil
Recent Examples of Synonyms for imperil
Verb
  • The Dallas Police Department is asking for the public's help in locating a missing, endangered 13-year-old girl, who hasn't been seen in nearly a week.
    — Briauna Brown, CBS News, 27 Oct. 2026
  • Bright Saver is trying to get UL Solutions, the main certifier, to exempt solar kits under 360 watts, which many experts agree produce too little power to endanger the grid or overwhelm a home’s wiring.
    — Blanca Begert, Los Angeles Times, 27 Oct. 2026
Verb
  • Matthew Unglesbee, a 36-year-old resident of Quincy in southwestern Illinois, was charged with violations related to false information and hoaxes and mailing threatening communications.
    — David Zimmermann, The Washington Examiner, 27 Oct. 2026
  • When all out-of-court options have been exhausted, and the MCA debt threatens the immediate survival of an otherwise viable business, legal reorganization is the final angle of management.
    — Nathan Mor, Forbes.com, 26 Oct. 2026

Browse Nearby Words

Cite this Entry

“Imperil.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/imperil. Accessed 31 Oct. 2026.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster