mountainous
adjective
moun·tain·ous
ˈmau̇n-tə-nəs 
ˈmau̇nt-nəs
mountainously
adverb
mountainousness
noun
Synonyms
- astronomical
- astronomic
- Brobdingnagian
- bumper
- colossal
- cosmic
- cosmical
- cyclopean
- elephantine
- enormous
- galactic
- gargantuan
- giant
- gigantesque
- gigantic
- grand
- herculean
- heroic
- heroical
- Himalayan
- huge
- humongous
- humungous
- immense
- jumbo
- king-size
- king-sized
- leviathan
- mammoth
- massive
- mega
- mighty
- monster
- monstrous
- monumental
- oceanic
- pharaonic
- planetary
- prodigious
- super
- super-duper
- supersize
- supersized
- titanic
- tremendous
- vast
- vasty
- walloping
- whacking
- whopping
Examples of mountainous in a Sentence
the seemingly mountainous obstacles he had to overcome while growing up
Recent Examples on the Web
Many travelers would fly into the airport in town then immediately move onto more bucolic, mountainous retreats in destinations like Vail, Aspen, and Telluride.
—
Chadner Navarro, Travel + Leisure, 9 Apr. 2024
Between the Continental Divide along the state’s eastern side and other mountainous areas in the central and western parts, the Gem State has 36 major mountain ranges.
—Shaun Goodwin, Idaho Statesman, 9 Apr. 2024
The singer also held her son while enjoying the mountainous scenery from a balcony.
—Escher Walcott, Peoplemag, 9 Apr. 2024
Hualien County, parts of which are mountainous and remote, is home to about 300,000 people on the island’s sparsely populated east coast.
—Helen Regan, CNN, 4 Apr. 2024
Taiwan's major airports, ports, and railways are all operating normally in major cities, according to the Taiwan Tourism Administration, which noted transit capabilities may vary by region, especially in the eastern mountainous area.
—Rachel Chang, Condé Nast Traveler, 4 Apr. 2024
Those seedlings were of no use in the mountainous and coastal West, with its cedars, firs and Ponderosa pines.
—Lydia Depillis, New York Times, 4 Apr. 2024
In the mountainous, desert landscape of the Tibetan Plateau, a small, scaly reptile scurries across the sand.
—Irene Wright, Miami Herald, 3 Apr. 2024
Footage of the scene broadcast by local news channel eNCA shows a charred, mangled bus at the bottom of a rocky ditch in a mountainous area near Mokopane, South Africa.
—Sammy Westfall, Washington Post, 28 Mar. 2024
Chadner Navarro, Travel + Leisure, 9 Apr. 2024
Between the Continental Divide along the state’s eastern side and other mountainous areas in the central and western parts, the Gem State has 36 major mountain ranges.
—Shaun Goodwin, Idaho Statesman, 9 Apr. 2024
The singer also held her son while enjoying the mountainous scenery from a balcony.
—Escher Walcott, Peoplemag, 9 Apr. 2024
Hualien County, parts of which are mountainous and remote, is home to about 300,000 people on the island’s sparsely populated east coast.
—Helen Regan, CNN, 4 Apr. 2024
Taiwan's major airports, ports, and railways are all operating normally in major cities, according to the Taiwan Tourism Administration, which noted transit capabilities may vary by region, especially in the eastern mountainous area.
—Rachel Chang, Condé Nast Traveler, 4 Apr. 2024
Those seedlings were of no use in the mountainous and coastal West, with its cedars, firs and Ponderosa pines.
—Lydia Depillis, New York Times, 4 Apr. 2024
In the mountainous, desert landscape of the Tibetan Plateau, a small, scaly reptile scurries across the sand.
—Irene Wright, Miami Herald, 3 Apr. 2024
Footage of the scene broadcast by local news channel eNCA shows a charred, mangled bus at the bottom of a rocky ditch in a mountainous area near Mokopane, South Africa.
—Sammy Westfall, Washington Post, 28 Mar. 2024
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'mountainous.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Dictionary Entries Near mountainous
Cite this Entry
“Mountainous.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mountainous. Accessed 18 Apr. 2024.
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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