as in vast
unusually large
the seemingly mountainous obstacles he had to overcome while growing up
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Recent Examples of mountainous
In classical antiquity, the mountainous region was notorious for bandits; in modern times, blood feuds among clans were rife.
—
Literary Hub, 22 Oct. 2025
That much rain over mountainous terrain in the area could trigger catastrophic flash flooding and landslides.
—Briana Waxman, CNN Money, 22 Oct. 2025
Even a weak storm could dump a ton of rain on the mountainous island of Hispaniola, potentially setting off life-threatening mudslides and flash flooding.
—Jacqueline Charles, Miami Herald, 22 Oct. 2025
This story of a logger (Joel Edgerton) working in the mountainous West as early-20th-century progress rolls over him like a wonder and a curse is the one movie in the streamer’s roster of Oscars hopefuls that people seem actually to love.
—Joe Reid, Vulture, 17 Oct. 2025
See All Example Sentences for mountainous
Literary Hub, 22 Oct. 2025
That much rain over mountainous terrain in the area could trigger catastrophic flash flooding and landslides.
—Briana Waxman, CNN Money, 22 Oct. 2025
Even a weak storm could dump a ton of rain on the mountainous island of Hispaniola, potentially setting off life-threatening mudslides and flash flooding.
—Jacqueline Charles, Miami Herald, 22 Oct. 2025
This story of a logger (Joel Edgerton) working in the mountainous West as early-20th-century progress rolls over him like a wonder and a curse is the one movie in the streamer’s roster of Oscars hopefuls that people seem actually to love.
—Joe Reid, Vulture, 17 Oct. 2025
See All Example Sentences for mountainous
Recent Examples of Synonyms for mountainous
Adjective
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Never mind its name, extreme temperatures, and vast expanses of desert—there are also stones that move on their own.—
Graham Averill,
Outside,
28 Oct. 2025
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These middlemen purchased vast troves of information, ranging from phone numbers and home addresses to bank loans and shopping history, leaked by employees of financial institutions, e-commerce companies and other service providers.—
Snigdha Poonam,
The Dial,
28 Oct. 2025
Adjective
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The pitch clock has already gone a long way towards helping make baseball more accessible, but moving the first pitch back 25 minutes would still make a huge difference.—
Mac Cerullo,
Boston Herald,
26 Oct. 2025
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Examples include huge catching nets, or docking with stray objects to force them back down into Earth's atmosphere.—
Elizabeth Howell,
Space.com,
26 Oct. 2025
Adjective
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Plus, the cash flow from its chemical business is gigantic.—
Jim Cramer,
CNBC,
26 Oct. 2025
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Titanic, gigantic GodzillaStomped on Tokyo, then on Manila.—
Richard Lederer,
San Diego Union-Tribune,
26 Oct. 2025
Adjective
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My love for Stevie Wonder is enormous, and a lot of that comes from Joni’s love for Stevie Wonder.—
Marissa R. Moss,
Rolling Stone,
23 Oct. 2025
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That's an enormous gap, but what other team has a better claim as the league's 11th-best?—
Chase Goodbread,
The Tuscaloosa News,
22 Oct. 2025
Adjective
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Of course, the heaviest anti-Shannon edit came from Sage, who noticed everything from the register of Shannon’s voice changing to her adversary being a giant shark wearing a cute seal mask.—
Dalton Ross,
Entertainment Weekly,
23 Oct. 2025
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The team already is contracted with oilfield services giant Halliburton, IPT Well Solutions, and Stampede Drilling.—
Jordan Blum,
Fortune,
22 Oct. 2025
Adjective
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The Jays capitalized on the Dodgers’ weak middle relief after chasing starter Blake Snell in the sixth inning to bust open a massive lead.—
Fabian Ardaya,
New York Times,
25 Oct. 2025
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How to Watch Boise State vs Nevada Boise State enters as a massive favorite, having only lost two games this year, while winning five.—
Ben Verbrugge,
MSNBC Newsweek,
25 Oct. 2025
Adjective
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There’s tremendous excitement within the physics community about three classes of experiment that are continuing to investigate the nature of the elusive neutrino.—
Big Think,
Big Think,
28 Oct. 2025
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So call this development tremendous progress.—
Fort Worth Star-Telegram,
Fort Worth Star-Telegram,
28 Oct. 2025
Adjective
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For the rest of the nineteenth century and into the twentieth century, magnetic storms, triggered by colossal solar explosions, repeatedly disrupted those networks.—
Literary Hub,
Literary Hub,
27 Oct. 2025
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Just down the street from the colossal blue Scientology center (one of LA’s top locations for taking an ironic selfie) is Found Oyster, a delightful and perennially (pleasantly) crowded seafood restaurant inspired by clam shacks on the East Coast.—
Jocelyn Silver,
Vogue,
25 Oct. 2025
Cite this Entry
“Mountainous.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/mountainous. Accessed 29 Oct. 2025.
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