Definition of imperil in English:

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Pronunciation: /imˈperəl/

verb (imperils, imperiling, imperiled ; British imperils, imperilling, imperilled)

[with object]
Put at risk of being harmed, injured, or destroyed: white-band disease imperils coral reefs
More example sentences
  • He was said to be the source of the description of the chancellor as ‘psychologically flawed’ and that would have fitted: he always seemed ready to do anything and destroy anyone who imperilled his man.
  • Allowing workers to divert some of this money into the stock market will not only put their retirement future at risk, it will imperil the federal government's ability to keep its commitment to current retirees.
  • Here's another comedy in which a neurotic schmuck is imperilled and injured in a series of encounters with his new in-laws.
endanger, jeopardize, risk, put in danger, put in jeopardy, expose to danger, hazard;
threaten, pose a threat to
archaic peril



Example sentences
  • The twist here is that the process of social derivation occurs against a still wider imperilment of identity, adding a degree of defiance and even struggle to the act of self-expression.
  • The alleged anguish adult Americans feel over the imperilment of our young is not really about young Americans at all.
  • For example, a recent report in California indicates that road construction contributes to the imperilment of 84 of the 286 species listed in the state as threatened or endangered under the federal Endangered Species Act.


Late Middle English: from peril, probably on the pattern of endanger.

Words that rhyme with imperil

beryl, Cheryl, chrysoberyl, Merrill, peril, Sheryl

For editors and proofreaders

Syllabification: im·per·il

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