Definition of lemming
: any of various small short-tailed furry-footed rodents (such as genera Lemmus and Dicrostonyx) of circumpolar distribution that are notable for population fluctuations and recurrent mass migrations Lemmings are the locusts of mammals, and they will strip a habitat bare. Then, they begin migrating forward to find a new feeding ground, swarming over boulders, around trees, whatever stands in their way. If they run into a body of water, they try to swim across. — Natalie Angier
lemminglikeplay \ˈle-miŋ-ˌlīk\ adjective Lured by stock prices defying gravity and handsome bond yields, Americans have marched into the funds in lemminglike fashion. — Penelope Wang and David Pauly
Recent Examples of lemming from the Web
Once again, yer a lemming following the other lemmings over the Windoze cliff.
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Origin and Etymology of lemming
First Known Use: 1713See Words from the same year
LEMMING Defined for English Language Learners
Definition of lemming for English Language Learners
: a small animal that lives in northern areas of North America, Europe, and Asia
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