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 nonprofit serves as a de facto pro bono law firm for endangered species, with clients as diverse as polar bears in the Arctic and skinks in the Florida Keys. — Jenny Staletovich, Miami Herald, 14 July 2026

As Kebbel sees it, Aquamarine encapsulates an endangered genre of entertainment — the kind made for the girls who, like Hailey and Claire, are making the transition from childhood to teendom. — Bailey Richards, PEOPLE, 14 July 2026

Native to the rainforests of western Sumatra, Indonesia, the endangered Titan Arum grows from a large corm, a bulb-like tuber underground. — Julie Sharp, CBS News, 13 July 2026

The area is home to the long-eared bat, an endangered species. — John Hanna, Los Angeles Times, 12 July 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