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
Mysterious early human relatives The mountainous region of Spain where the fossils were found has been an important locale for paleoanthropology.
—
Katie Hunt, CNN, 12 Mar. 2025
Rain totals are expected to reach 4 inches in higher elevations, while heavy snowfall is expected in mountainous regions near the Sierra Nevada.
—Nadia Lopez, Axios, 12 Mar. 2025
However, a region of the mountainous Turpan-Hami Basin in the Xinjiang Autonomous Region in Western China may have been an oasis for some living organisms during the planet’s largest mass extinction.
—Laura Baisas, Popular Science, 12 Mar. 2025
Despite the mountainous setting, the Mediterranean climate ensures comfortable summers, averaging 75° Fahrenheit, and mild winters, around 45°.
—Cecilia Rodriguez, Forbes, 12 Mar. 2025
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Katie Hunt, CNN, 12 Mar. 2025
Rain totals are expected to reach 4 inches in higher elevations, while heavy snowfall is expected in mountainous regions near the Sierra Nevada.
—Nadia Lopez, Axios, 12 Mar. 2025
However, a region of the mountainous Turpan-Hami Basin in the Xinjiang Autonomous Region in Western China may have been an oasis for some living organisms during the planet’s largest mass extinction.
—Laura Baisas, Popular Science, 12 Mar. 2025
Despite the mountainous setting, the Mediterranean climate ensures comfortable summers, averaging 75° Fahrenheit, and mild winters, around 45°.
—Cecilia Rodriguez, Forbes, 12 Mar. 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 21 Mar. 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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