mountainous
adjective
moun·tain·ous
ˈmau̇n-tə-nəs 
ˈmau̇nt-nəs
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
Limpopo, a mountainous province that’s divided from Zimbabwe and Botswana by the Limpopo River, is one of the more underserved parts of South Africa.
—
Mary Holland, Robb Report, 5 June 2025
When Neo awakens, we are lost amid mountainous, industrial pods.
—Todd Martens, Los Angeles Times, 3 June 2025
These many watering holes are reflective of the Lone Star state's varied geographic regions, from bald cypress swamps to mountainous desert lakes.
—Kaitlyn Yarborough, Southern Living, 31 May 2025
Previous studies focused on mountainous regions with vegetation dissimilar to the low-lying boreal forests of Finland, the researchers said.
—Julia Jacobo, ABC News, 30 May 2025
See All Example Sentences for mountainous
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Mary Holland, Robb Report, 5 June 2025
When Neo awakens, we are lost amid mountainous, industrial pods.
—Todd Martens, Los Angeles Times, 3 June 2025
These many watering holes are reflective of the Lone Star state's varied geographic regions, from bald cypress swamps to mountainous desert lakes.
—Kaitlyn Yarborough, Southern Living, 31 May 2025
Previous studies focused on mountainous regions with vegetation dissimilar to the low-lying boreal forests of Finland, the researchers said.
—Julia Jacobo, ABC News, 30 May 2025
See All Example Sentences for mountainous
Cite this Entry
“Mountainous.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mountainous. Accessed 10 Jun. 2025.
Copy CitationKids Definition
mountainous
adjective
moun·tain·ous
ˈmau̇nt-ᵊn-əs
-nəs
1
: having many mountains
2
: resembling a mountain : huge
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