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Definitions

amphibian

[am-fib-ee-uhn] / æmˈfɪb i ən /
NOUN
cold-blooded vertebrate
Synonyms


Example Sentences

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A 2023 analysis of roughly 8,000 amphibian species found that two out of five are threatened with extinction, making amphibians the most endangered group of vertebrates.

From Science Daily • Mar. 9, 2026

Edwardian author Kenneth Grahame's story of boating, caravanning and picnicking and the hi-jinks of a cross-dressing amphibian is also an ode to the English landscape.

From BBC • Feb. 13, 2026

Their projections suggest there could be as many as 115,000 fish species and 41,000 amphibian species, compared with about 42,000 fish and 9,000 amphibians currently described.

From Science Daily • Dec. 24, 2025

Introduced species are wreaking havoc due to similar lack of evolved defenses in the American beech, many amphibian species and North American bats of different kinds.

From Salon • Jun. 15, 2025

It is, in fact, an amphibian, which can live in or out of water.

From "Matilda" by Roald Dahl