noun, often attributive
moun·​tain | \ˈmau̇n-tᵊn \

Definition of mountain 

1a : a landmass that projects conspicuously above its surroundings and is higher than a hill The sun set behind the mountains.

b : an elongated ridge

2a : a great mass a mountain of a man— E. K. Brown

b : a vast number or quantity a mountain of mail a mountain of debt

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Examples of mountain in a Sentence

She watched the sun set behind the mountains. a cabin in the mountains They both like mountain climbing. We've received a mountain of mail.
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Recent Examples on the Web

The National Weather Service is forecasting a shift in the weather Wednesday to rain, wind and snow in the mountain passes by Friday. Michelle Baruchman, The Seattle Times, "The best times to travel during the Thanksgiving holiday weekend to avoid the worst traffic congestion," 20 Nov. 2018 On the second couch was another man, this one in his mid-thirties and wearing a suit, his cologne the essence of a crisp morning in the mountains. Eric Johnson, Recode, "Google’s former PR boss Jessica Powell wrote a satirical novel about tech and published it all on Medium," 2 Oct. 2018 In the mountains, scaling the rocky surfaces may be difficult. Discover Magazine, "7 Family Friendly Bucket List Adventures in Beaver Creek," 17 Aug. 2018 Big rains in the mountains can flood the river and its tributaries with glacial silt that clouds the water for days or even weeks. Peter Reese, Popular Mechanics, "The Best Way To Spend 72 Hours at Jackson Hole," 31 July 2018 Inside, the house surrounds a spiral staircase that leads from the main bedroom up to a bathroom and eventually to an open terrace where visitors can sit and take in the mountains. Liz Stinson, Curbed, "Undulating bamboo house looks like it’s wearing a hat," 24 July 2018 Some lived more than seven hours away in the mountains. Colleen Long, The Christian Science Monitor, "Families reunited, then deported to Guatemala," 12 July 2018 Some lived more than seven hours away in the mountains. Washington Post, "Exhausted and subdued, reunited families return to Guatemala," 12 July 2018 Some lived more than seven hours away in the mountains. Colleen Long,, "Hugs and sobs as families separated in U.S. return to Guatemala," 11 July 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'mountain.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of mountain

13th century, in the meaning defined at sense 1a

History and Etymology for mountain

Middle English, from Anglo-French muntaine, from Vulgar Latin *montanea, from feminine of *montaneus of a mountain, alteration of Latin montanus, from mont-, mons

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Statistics for mountain

Last Updated

29 Nov 2018

Look-up Popularity

Time Traveler for mountain

The first known use of mountain was in the 13th century

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More Definitions for mountain



English Language Learners Definition of mountain

: an area of land that rises very high above the land around it and that is higher than a hill

: a very large amount of something


moun·​tain | \ˈmau̇n-tᵊn \

Kids Definition of mountain

1 : a raised area of land higher than a hill

2 : a great mass or huge number a mountain of mail

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Comments on mountain

What made you want to look up mountain? Please tell us where you read or heard it (including the quote, if possible).


to enclose within walls

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