moun·​tain·​ous | \ ˈmau̇n-tə-nəs How to pronounce mountainous (audio) , ˈmau̇nt-nəs \

Definition of mountainous

1 : containing many mountains
2 : resembling a mountain : huge

Other Words from mountainous

mountainously adverb
mountainousness noun

Examples of mountainous in a Sentence

the seemingly mountainous obstacles he had to overcome while growing up
Recent Examples on the Web The situation is compounded by the region’s perpetually sunny climate, which effectively cooks vehicle exhaust and industrial emissions into lung-damaging smog and a mountainous terrain that confines the toxic haze over the region. Tony Briscoestaff Writer, Los Angeles Times, 10 May 2022 Kauai, with its steep sea-side cliffs and mountainous terrain, often experiences fast moving weather systems that can change conditions quickly, especially in winter months. David Koenig, Caleb Jones, Anchorage Daily News, 10 May 2022 Then smugglers led them through the mountainous terrain east of the city and across the border into San Diego County. San Diego Union-Tribune, 12 Apr. 2022 Landslides are common in Colombia due to the mountainous terrain, frequent heavy rains and poor or informal construction of houses, Reuters reported. Karol Suarez And Stefano Pozzebon, CNN, 7 Apr. 2022 Within China, there is intense interest in Monday’s crash, with videos circulating of the plane’s sharp descent into mountainous terrain, online photos of wreckage and rescue workers, and widespread speculation on the causes of the crash. Washington Post, 25 Mar. 2022 Search crews found one of the two black boxes belonging to the China Eastern Airlines plane that crashed Monday in the mountainous terrain of the southern China region of Guangxi, Chinese state media said Wednesday. Harold Maass, The Week, 24 Mar. 2022 But many shed hunters are also proud hunters, and the physical demands of the two sports are similar: both can require endurance in rough, mountainous terrain. The New Yorker, 7 Mar. 2022 Aside from the obvious physical challenge of accessing mountainous terrain (Horton grew up in Alaska) for a sport like skiing, there are economic factors to consider – namely, equipment and lift tickets, neither of which are cheap. Chris Bumbaca, USA TODAY, 6 Feb. 2022 See More

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

First Known Use of mountainous

14th century, in the meaning defined at sense 1

History and Etymology for mountainous

Middle English mounteynous, borrowed from Anglo-French muntaignus, from muntaigne, mountaigne mountain + -us -ous

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Time Traveler for mountainous

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The first known use of mountainous was in the 14th century

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Dictionary Entries Near mountainous

mountain of Venus


mountain oyster

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Last Updated

13 May 2022

Cite this Entry

“Mountainous.” Dictionary, Merriam-Webster, Accessed 23 May. 2022.

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More Definitions for mountainous


moun·​tain·​ous | \ ˈmau̇n-tə-nəs How to pronounce mountainous (audio) \

Kids Definition of mountainous

1 : having many mountains mountainous country
2 : like a mountain in size : huge a mountainous pile

More from Merriam-Webster on mountainous

Nglish: Translation of mountainous for Spanish Speakers

Britannica English: Translation of mountainous for Arabic Speakers


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