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[im-per-uh l] /ɪmˈpɛr əl/
verb (used with object), imperiled, imperiling or (especially British) imperilled, imperilling.
to put in peril or danger; endanger.
Origin of imperil
First recorded in 1590-1600; im-1 + peril
Related forms
imperilment, noun
risk, jeopardize, hazard, chance. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for imperiled
Contemporary Examples
Historical Examples
  • That meant the passage of a certain length of time; and meanwhile who could say what might not be happening to the imperiled men?

    The Aeroplane Boys Flight John Luther Langworthy
  • The river was filled with drifting cakes of ice, which imperiled the boats.

    George Washington Calista McCabe Courtenay
  • Foot by foot did the guide, assisted by the two scouts, draw the imperiled one upward.

  • Yet the promise of this life is imperiled by the very genius that has made it possible.

  • He stood true to David, though by so doing he imperiled his own life.

    Living for the Best James G. K. McClure
British Dictionary definitions for imperiled


verb -rils, -rilling, -rilled (US) -rils, -riling, -riled
(transitive) to place in danger or jeopardy; endanger
Derived Forms
imperilment, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for imperiled



1590s, from assimilated form of in- "into, in" (see in- (2)) + peril. Related: Imperiled; imperiling.

Online Etymology Dictionary, © 2010 Douglas Harper
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