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

The discovery comes as the critically endangered species continues to face threats from fishing-gear entanglements and vessel strikes. — Maria Mocerino, Interesting Engineering, 8 Nov. 2026

By the late twentieth century, nature photography and film had become not only a way of seeing, but also a way of caring—shaping public consciousness about endangered species, vanishing habitats, and the fragility of ecosystems. — Andrew Zuckerman, Popular Science, 7 Nov. 2026

The Democrats’ upcoming simple majority in the Senate will enable them to take multiple actions on climate, public lands, endangered species and other environmental issues. — Andrew Freedman, CNN Money, 6 Nov. 2026

High on the list of endangered institutions on this front is Sinai Chicago, which alone owed the state about $177 million for unpaid assessments and advance payments as of earlier this year, according to Tribune reporting. — The Editorial Board, Chicago Tribune, 6 Nov. 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