verb (used with object), im·per·iled, im·per·il·ing or (especially British) im·per·illed, im·per·il·ling.
  1. to put in peril or danger; endanger.

Origin of imperil

First recorded in 1590–1600; im-1 + peril
Related formsim·per·il·ment, noun

Synonyms for imperil Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for imperilled

Historical Examples of imperilled

  • Do you suggest that a man's honour is imperilled in His Grace's service?

    Mistress Wilding

    Rafael Sabatini

  • You have no vested interest to be imperilled by anything that I do.'

    Lord Kilgobbin

    Charles Lever

  • "Never, dear Jack, whilst you are imperilled," she firmly replied.

  • I knew all this—I knew that life itself was imperilled by the act I had committed!

    The Quadroon

    Mayne Reid

  • Rickie had irritated her, and, in her desire to shock him, she had imperilled her own peace.

    The Longest Journey

    E. M. Forster

British Dictionary definitions for imperilled


verb -rils, -rilling or -rilled or US -rils, -riling or -riled
  1. (tr) to place in danger or jeopardy; endanger
Derived Formsimperilment, 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

Word Origin and History for imperilled



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

Online Etymology Dictionary, © 2010 Douglas Harper