threatened with a danger: endangered lives of trapped coal miners.
threatened with extinction: The bald eagle may be endangered.

Origin of endangered

First recorded in 1590–1600; endanger + -ed2
Related formsun·en·dan·gered, adjective



verb (used with object)

to expose to danger; imperil: It was foolish to endanger your life in that way.

Origin of endanger

late Middle English word dating back to 1400–50; see origin at en-1, danger
Related formsen·dan·ger·ment, noun

Synonyms for endanger

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Related Words for endangered


Examples from the Web for endangered

Contemporary Examples of endangered

Historical Examples of endangered

  • My health, which had ever been feeble, was endangered by this state of chaos.

    My Double Life

    Sarah Bernhardt

  • This led to a revolt which endangered his life, and he had to abandon his scheme.

  • Not for my life, or for all the lives on the ship, would I consciously have endangered her.

  • She had taken it into her head that his health was endangered in some way.

    The Arrow of Gold

    Joseph Conrad

  • You will advance with all speed to the support of the endangered left.

    The Long Roll

    Mary Johnston

British Dictionary definitions for endangered



in danger: used esp of animals in danger of extinctionthe giant panda is an endangered species



(tr) to put in danger or peril; imperil
Derived Formsendangerment, 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 endangered



late 15c., from en- (1) "make, put in" + danger. Related: Endangered; endangering. Endangered species first recorded 1964.

Online Etymology Dictionary, © 2010 Douglas Harper