endangered

1 of 2

adjective

en·​dan·​gered in-ˈdān-jərd 

en-

: 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

Adjective

• vulnerable
• susceptible
• sensitive
• exposed

Examples of endangered in a Sentence

Adjective

a daring attempt to rescue the endangered passengers from the burning boat

Recent Examples on the Web

Adjective

If there are any issues with a particular trail that Coles has identified needs repairs — like if an endangered species is known to live in a creek next to the trail — the Forest Service could deny his request, thus leaving the trail unmaintained. — Jaclyn Cosgrove, Los Angeles Times, 1 Oct. 2026

The new definition removes an interpretation that had been used for half a century, and upheld by the Supreme Court, that harming an endangered species includes eliminating that species’ habitat. — Timothy Randhir, The Conversation, 1 Oct. 2026

The investigation, first reported by Abridged by PBS KVIE, may relate to the endangered vernal pool tadpole shrimp present in the site’s seasonal wetlands. — Daniel Lempres, Sacbee.com, 28 Sep. 2026

But the film is something of an endangered species since studios have more or less stopped making theatrical comedies. — Brent Lang, IndieWire, 25 Sep. 2026

Word History

First Known Use

Adjective

1964, in the meaning defined above

Phrases Containing endangered

• endangered list
• endangered species

Kids Definition

endangered

adjective

en·​dan·​gered

: threatened with extinction

an endangered species