im·​per·​il | \ im-ˈper-əl How to pronounce imperil (audio) , -ˈpe-rəl\
imperiled or imperilled; imperiling or imperilling

Definition of imperil

transitive verb

: to bring into peril : endanger

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Other Words from imperil

imperilment \ im-​ˈper-​əl-​mənt How to pronounce imperilment (audio) , -​ˈpe-​rəl-​ \ noun

Examples of imperil in a Sentence

The toxic fumes imperiled the lives of the trapped miners. The financial health of the company was imperiled by a string of bad investments. a list of imperiled species
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Recent Examples on the Web

If any of the three owners vote against moving ahead, the project would be imperiled. Russell Gold, WSJ, "Growing Opposition Threatens Completion of Last U.S. Nuclear Plant," 20 Sep. 2018 The presidency of the United States, Jesse, is imperiled by these decisions. Fox News, "Media coverage of Mollie Tibbetts' murder," 23 Aug. 2018 On Wednesday, the Trump administration opened a new front, launching a probe into whether auto imports imperil national security. Andrew Mayeda,, "Turbulent Week for Trump's Trade Tactics Puts the World on Edge," 24 May 2018 While electricity has been restored since Hurricane Maria in 2017, the power grid remains fragile, with residents fearing future natural disasters will again imperil hospitals, schools and emergency shelters. Andrew Scurria And Arian Campo-flores, WSJ, "Puerto Rico Picks Bidders for Ailing Power Utility," 20 Jan. 2019 In 1921, the National Geographic Society donated $100,000 to save the Giant Forest of Sequoia National Park imperiled by logging. Cathy Newman, WSJ, "Saving Earth’s Oldest Living Things," 7 Dec. 2018 Blanco attended missile gunnery school at Fort Bliss while in the Navy and said housing immigrant youth in tents there would imperil the good relationship that part of Texas has enjoyed with Mexico for generations. Rick Jervis, USA TODAY, "'Abhorrent': Texas officials, advocates decry placing immigrant children in tent cities," 15 June 2018 What’s more, the Trump-Kim meeting is imperiled by a lack of planning. Evan Horowitz,, "Trump-Kim summit may be more warm-up act than finale," 11 June 2018 Subtly and in many cases quite cleverly, the design of the museum avoids resource waste without diminishing the visitor experience or imperiling its artifacts. Ryan P. Smith, Smithsonian, "The African American History and Culture Museum Wins Gold for Going Green," 21 Apr. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'imperil.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of imperil

15th century, in the meaning defined above

History and Etymology for imperil

Middle English inperiled, from in- in- entry 2 + peril peril entry 1 + -ed -ed entry 1

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Statistics for imperil

Last Updated

13 Mar 2019

Look-up Popularity

Time Traveler for imperil

The first known use of imperil was in the 15th century

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More Definitions for imperil



English Language Learners Definition of imperil

formal : to put (something or someone) in a dangerous situation


im·​per·​il | \ im-ˈper-əl How to pronounce imperil (audio) \
imperiled or imperilled; imperiling or imperilling

Kids Definition of imperil

: to place in great danger They rescued their imperiled comrades.

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More from Merriam-Webster on imperil

Thesaurus: All synonyms and antonyms for imperil

Spanish Central: Translation of imperil

Nglish: Translation of imperil for Spanish Speakers

Britannica English: Translation of imperil for Arabic Speakers

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