endangered

1 of 2

adjective

en·​dan·​gered in-ˈdān-jərd How to pronounce endangered (audio)
en-
Synonyms of endangerednext
: being or relating to an endangered species
an endangered bird
put on the endangered list

endangered

2 of 2

past tense and past participle of endanger

Synonyms of endangered

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Adjective

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Examples of endangered in a Sentence

Adjective a daring attempt to rescue the endangered passengers from the burning boat
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Adjective
Historic Kansas City, a local historic preservation group, has released its list of the Kansas City area’s most endangered buildings for the first time in five years. — Chris Higgins, Kansas City Star, 20 Oct. 2026 In 2011, former President Barack Obama signed a law removing wolves in the Northern Rocky Mountains from the endangered species list, a change that removed federal prohibitions on killing or harassing them in that region. — Sharon Bernstein, Sacbee.com, 14 Oct. 2026 The exact location of the remaining wild grove in Australia is kept secret to help protect the endangered species. — Carolyn Gusoff, CBS News, 13 Oct. 2026 That’s why the researchers say the tool could be useful for rescuing endangered species with a few individuals left—scientists could create fertile breeding pairs using just one male donor. — Gennaro Tomma, Scientific American, 13 Oct. 2026 See All Example Sentences for endangered

Word History

First Known Use

Adjective

1964, in the meaning defined above

Time Traveler
The first known use of endangered was in 1964

Phrases Containing endangered

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endanger
endangered
endangered list
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Cite this Entry

“Endangered.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/endangered. Accessed 27 Oct. 2026.

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Kids Definition

endangered

adjective
en·​dan·​gered
: threatened with extinction
an endangered species
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