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Definition of lemming

lemming

/ˈlɛm.ɪŋ/
lem · ming

Plural:lemmings
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lemming Lexical Profile

lemming Game Scores & Validity

• noun

1

A person who unthinkingly joins a mass movement or blindly follows others, often leading to their own detriment or destruction.

Example

"Many novice investors behaved like lemmings, rushing to buy the overvalued stock just before the market completely crashed."


2

A small, short-tailed rodent native to Arctic and subarctic tundra, known for its cyclic population booms and large-scale migrations.

Example

"The snowy owl relies heavily on the lemming as a primary food source during the harsh winter months."

Photo by Kervennic / CC BY-SA 4.0
Synonyms
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Antonyms
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• Rhymes for lemming

Word Origin & Etymology

From Norwegian 'lemen', derived from Old Norse 'lómundr'. The metaphorical sense of blindly following others into disaster stems from a popular, though scientifically inaccurate, myth that lemmings commit mass suicide during migrations.

Usage Trend

Historical frequency of usage in published text.

180019102020

Cite this Entry


Wordmom. (2026). Definition of Lemming. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/lemming
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