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critically endangered

American

[krit-i-klee en-deyn-jerd] / ˈkrɪt ɪ kli ɛnˈdeɪn dʒərd /

adjective

Biology, Ecology.

(of athreatened species ) having the highest risk of extinction, as categorized by the IUCN Red List: CR

The list of critically endangered frog species is alarmingly long.

Etymology

Origin of critically endangered

First recorded in 1945–50

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

You’ll find everything from red pandas to critically endangered black-and-white ruffed lemurs.

From Salon • Mar. 31, 2026

The Fongoli apes are members of the critically endangered subspecies of West African chimpanzees.

From Barron's • Jan. 15, 2026

The zoo is home to more than 8,000 animals – from a colony of leafcutter ants to critically endangered Asiatic lions.

From BBC • Jan. 6, 2026

At the same time, Prebble said, she hopes that visitors can learn more about newborn primates, which are classified as endangered or critically endangered by the International Union for Conservation of Nature.

From Los Angeles Times • Dec. 18, 2025

"What we've found through this research tells us that examining fossils alongside genetic tools could offer significant insights that may help conservation efforts of this critically endangered native species."

From Science Daily • Dec. 13, 2025

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023