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

Latest Stories Virtual reality helped people with acrophobia, a fear of heights, overcome their fear and venture onto mountains and rope bridges, researchers said. NBC News, "Virtual reality helps cure real-life fear of heights, study finds," 11 July 2018 The Chateau Fire in the state’s south central mountains has burned about two square miles, but all residents have been allowed to return home., "3 arrested in connection with Colorado wildfire," 10 July 2018 Researchers from the University of Turku in Finland recently discovered the Clistopyga crassicaudata, which lives between the Andes mountains and the Amazon rainforests. Laura Yan, Popular Mechanics, "Newly Discovered Wasp Has a Terrifyingly Large Stinger," 8 July 2018 Lights on the Lake, Lake Tahoe The reflections cast by fireworks in the crystal-clear water of Lake Tahoe, with the Sierra Nevada mountains as a backdrop, makes this one of the most visually arresting shows in the country. Jenna Scherer, Condé Nast Traveler, "The Best 4th of July Fireworks in the USA," 27 June 2018 Elsewhere in Congress, Trey Gowdy (R-S.C.), chair of the House Oversight and Government Reform Committee, plans to proceed with another investigation into Pruitt that has already made mountains of headlines with its revelations. Dino Grandoni, Washington Post, "The Energy 202: Scott Pruitt is still under investigation by EPA watchdog," 13 July 2018 Cafes line the main drag, and mountains hug the valley. Zack Colman, Scientific American, "A Trump Oil Boom Could Transform This Rocky Mountain Landscape," 13 July 2018 Will keeps their homesteading all but invisible in Forest Park, a nature preserve in the mountains just west of Portland, Oregon. Colin Covert, Detroit Free Press, "‘Leave No Trace’ is a moving father-daughter story," 12 July 2018 There ain’t no mountain, nor skyscraper, high enough for him. Stephanie Zacharek, Time, "Dwayne Johnson Scales New Heights in Skyscraper," 12 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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Phrases Related to mountain

mountain biking

mountain chain

Statistics for mountain

Last Updated

18 Oct 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 reject or criticize sharply

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