as in vast
unusually large
the seemingly mountainous obstacles he had to overcome while growing up
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Recent Examples of mountainous
Places like Antarctica, Tasmania, and New Zealand sometimes offer glimpses of the elusive southern lights, but one of the most compelling places to witness the celestial event is in Patagonia, the mountainous expanse that straddles southern Argentina and Chile.
—
Evie Carrick, Travel + Leisure, 6 July 2025
From Civil War-era railroads traveling through mountainous terrain to streetcars and subways in a modern metropolis, with intricately detailed houses and towns and steamboats and inclines and skyscrapers in scenes of American history.
—Jeff Suess, The Enquirer, 2 July 2025
Pictured above is Indonesia’s mountainous Halmahera rainforest, featuring rugged topography shaped by outpourings from the numerous volcanoes that pockmark the region.
—Emma R. Hasson, Scientific American, 1 July 2025
Traffic was not rerouted, and many motorists along the mountainous route had no choice but to remain in their vehicles overnight.
—CBS News, 28 June 2025
See All Example Sentences for mountainous
Evie Carrick, Travel + Leisure, 6 July 2025
From Civil War-era railroads traveling through mountainous terrain to streetcars and subways in a modern metropolis, with intricately detailed houses and towns and steamboats and inclines and skyscrapers in scenes of American history.
—Jeff Suess, The Enquirer, 2 July 2025
Pictured above is Indonesia’s mountainous Halmahera rainforest, featuring rugged topography shaped by outpourings from the numerous volcanoes that pockmark the region.
—Emma R. Hasson, Scientific American, 1 July 2025
Traffic was not rerouted, and many motorists along the mountainous route had no choice but to remain in their vehicles overnight.
—CBS News, 28 June 2025
See All Example Sentences for mountainous
Recent Examples of Synonyms for mountainous
Adjective
-
And the company behind the bet was Google, which had acquired legacy phone maker Motorola Mobility and was leveraging its modern tech prowess and vast resources to make the Moto X smartphone a success.—
Verne Kopytoff,
Fortune,
5 July 2025
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The vast majority of fans in attendance were sporting orange and black.—
Sacbee.com,
Sacbee.com,
5 July 2025
Adjective
-
That's all much the same as on the 5 N. With the 6 N, though, Hyundai's engineers made some significant improvements in the car's virtual shifting, which is a huge part of what makes this series so much fun.—
Tim Stevens,
ArsTechnica,
14 July 2025
-
He’s been a huge part of us being in contention and he’s pitched very, very well.—
Jeff Sanders,
San Diego Union-Tribune,
14 July 2025
Adjective
-
On June 30, Netflix premiered its documentary Shark Whisperer, which follows Ocean Ramsey in her unique (and controversial — and viral) approach to marine conservation: swimming freely with gigantic sharks for hours on end.—
Tony Maglio,
HollywoodReporter,
4 July 2025
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Israel doesn’t have any heavy bombers, stealthy or otherwise, capable of carrying such gigantic bombs.—
Paul Iddon,
Forbes.com,
4 July 2025
Adjective
-
And for what? To cover only a fraction of the enormous cost of the bill, which will add more than $3 trillion to the federal debt by 2034.—
Clarence Page,
Chicago Tribune,
6 July 2025
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The amount of water that fell rapidly on Friday is estimated around 100 billion gallons, an enormous volume that almost doubles the daily flow over Niagara Falls, according to KSAT.—
Mandy Taheri,
MSNBC Newsweek,
6 July 2025
Adjective
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One of his daughters remembers earning dessert by hopping a giant lap of the backyard on her left foot.—
Henry Abbott,
The Atlantic,
12 July 2025
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More of the giant spiders could come up to the Northeast this year, Davis said.—
Rick Sobey,
Hartford Courant,
12 July 2025
Adjective
-
Until now, the most massive back hole merger was GW190521, detected in 2020.—
ArsTechnica,
ArsTechnica,
14 July 2025
-
After China fired ballistic missiles at American bases in Japan, the fighting exploded, with the U.S. launching massive strikes against the mainland and Japanese jets attacking Chinese ships.—
Dexter Filkins,
New Yorker,
14 July 2025
Adjective
-
This accessible game seems simple but has tremendous replayability and strategic depth.—
Simon Hill,
Wired News,
11 July 2025
-
Aaron Judge got the walk-off RBI with a sacrifice fly that scored Anthony Volpe on a tremendous slide in a bang-bang play at the plate, but the speedster was able to avoid any tag, despite the throw beating him.—
Ryan Morik,
FOXNews.com,
11 July 2025
Adjective
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It’s believed that the 26-year-old will earn a yearly salary of around $23m, a colossal figure considering his wages in Bergamo amounted to $3.1m per-season.—
Emmet Gates,
Forbes.com,
10 July 2025
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Swansea, who finished a colossal 86 places above Wrexham as recently as 2019-20, will be their divisional peers next time around — the first time the clubs have been in the same division since 2003.—
Richard Sutcliffe,
New York Times,
9 July 2025
Cite this Entry
“Mountainous.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/mountainous. Accessed 18 Jul. 2025.
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