Meaning of “lemming” in the English Dictionary

british dictionary

"lemming" in British English

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lemmingnoun [ C ]

uk /ˈlem.ɪŋ/ us /ˈlem.ɪŋ/

an animal that looks like a large mouse and lives in cold northern areas. Lemmings migrate (= move from one place to another) in large groups and are often, but wrongly, thought to jump off cliffs together.

Idiom(s)

(Definition of “lemming” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

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