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
In the mountainous town of Bogotá, two stores dominate the budding scene—Bettina’s Closet and Garage Sale.
—
Lilah Ramzi, Vogue, 22 Apr. 2024
Steep increases in wealth and dividend taxes by Norway’s left-leaning government have prompted dozens of the Nordic nation’s rich to move to another prosperous, mountainous country to the south.
—Ott Ummelas, Fortune Europe, 19 Apr. 2024
Make sure your tank is full before starting your journey, especially since gas stations may be sparse in mountainous areas.
—Laura Daniella Sepulveda, The Arizona Republic, 16 Apr. 2024
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
Lilah Ramzi, Vogue, 22 Apr. 2024
Steep increases in wealth and dividend taxes by Norway’s left-leaning government have prompted dozens of the Nordic nation’s rich to move to another prosperous, mountainous country to the south.
—Ott Ummelas, Fortune Europe, 19 Apr. 2024
Make sure your tank is full before starting your journey, especially since gas stations may be sparse in mountainous areas.
—Laura Daniella Sepulveda, The Arizona Republic, 16 Apr. 2024
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
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 27 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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