endangered

adjective

en·​dan·​gered in-ˈdān-jərd 

en-

: being or relating to an endangered species

an endangered bird

put on the endangered list

Synonyms of endangered

• vulnerable
• susceptible
• sensitive
• exposed

Examples of endangered in a Sentence

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

Recent Examples on the Web

The City of Ripon is moving forward with an ordinance aimed at protecting an endangered species by prohibiting people from feeding feral cats and stray animals on public property. — Carmela Karcher, CBS News, 13 Aug. 2026

Nature as environment, as landscape, as a force beyond the rational, and as a place where beauty and a primeval absence of bad intentions come together, has become either a commodity or an endangered space. — Literary Hub, 11 Aug. 2026

Scientists have taken advantage of this DNA time machine for one of the world's most endangered marine animals, revealing a story that can't be told by population counts alone. — Melissa Cristina Márquez, Forbes.com, 10 Aug. 2026

Boaters are being urged to keep a safe distance of at least 100 to 600 feet from humpback whales — and at least 1,500 feet from endangered North Atlantic right whales, as required by federal law. — Rick Sobey, Boston Herald, 10 Aug. 2026

Word History

First Known Use

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