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
Surfers have the mountainous waves of Mavericks Beach near Half Moon Bay.
—
James Rainey
follow, Los Angeles Times, 11 July 2025
The first step is a boot camp in a mountainous ski resort, where Karolina is teased by the other girls and gets so much preferential treatment from Vitek that Lucie, enraged, locks her outside in the snow and nearly kills her in the process.
—Damon Wise, Deadline, 10 July 2025
Flash flooding in the mountainous region of southern New Mexico on Tuesday swept away a house in the violent waters, as videos circulated widely online capturing the destruction.
—Anna Commander, MSNBC Newsweek, 9 July 2025
There are just 300 gorals believed to exist in all of Thailand, according to local experts.
Gorals, reach about two-and-a-half-feet tall at the shoulder, are also found in the mountainous regions of Myanmar, China, India, Vietnam, and maybe Laos, according to wildlife experts.
—Lauren Liebhaber
july 8, Miami Herald, 8 July 2025
See All Example Sentences for mountainous
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
James Rainey
follow, Los Angeles Times, 11 July 2025
The first step is a boot camp in a mountainous ski resort, where Karolina is teased by the other girls and gets so much preferential treatment from Vitek that Lucie, enraged, locks her outside in the snow and nearly kills her in the process.
—Damon Wise, Deadline, 10 July 2025
Flash flooding in the mountainous region of southern New Mexico on Tuesday swept away a house in the violent waters, as videos circulated widely online capturing the destruction.
—Anna Commander, MSNBC Newsweek, 9 July 2025
There are just 300 gorals believed to exist in all of Thailand, according to local experts.
Gorals, reach about two-and-a-half-feet tall at the shoulder, are also found in the mountainous regions of Myanmar, China, India, Vietnam, and maybe Laos, according to wildlife experts.
—Lauren Liebhaber
july 8, Miami Herald, 8 July 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 14 Jul. 2025.
Copy CitationKids Definition
mountainous
adjective
moun·tain·ous
ˈmau̇nt-ᵊn-əs
-nəs
1
: having many mountains
2
: resembling a mountain : huge
Love words? Need even more definitions?
Merriam-Webster unabridged
Share