as in vast
unusually large
the seemingly mountainous obstacles he had to overcome while growing up
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Recent Examples of mountainous
Since the 1990s, Armenia and Azerbaijan have fought over the mountainous region of Nagorno-Karabakh, which is internationally recognized as part of Azerbaijan, and more than 40,000 people have been killed throughout the conflict.
—
Mark Temnycky, Forbes.com, 22 Jan. 2026
The same fate befalls the HAKOS Astro Guest Farm, a remote mountainous escape for amateur astronomers.
—Jamie Carter, Space.com, 20 Jan. 2026
The body of the victim was recovered from the remote mountainous area, the report continues.
—David Chiu, PEOPLE, 20 Jan. 2026
After a group of four hikers became lost Saturday in a remote, mountainous region of Riverside County, a fellow hiker in their group — fearing for their safety — struck out on his own to search for them, authorities said.
—Rebecca Ellis, Los Angeles Times, 19 Jan. 2026
See All Example Sentences for mountainous
Mark Temnycky, Forbes.com, 22 Jan. 2026
The same fate befalls the HAKOS Astro Guest Farm, a remote mountainous escape for amateur astronomers.
—Jamie Carter, Space.com, 20 Jan. 2026
The body of the victim was recovered from the remote mountainous area, the report continues.
—David Chiu, PEOPLE, 20 Jan. 2026
After a group of four hikers became lost Saturday in a remote, mountainous region of Riverside County, a fellow hiker in their group — fearing for their safety — struck out on his own to search for them, authorities said.
—Rebecca Ellis, Los Angeles Times, 19 Jan. 2026
See All Example Sentences for mountainous
Recent Examples of Synonyms for mountainous
Adjective
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The effort reflects Beijing’s push to reduce its exposure to fragile overseas supply chains, as China remains the world’s largest consumer and importer of natural rubber, driven largely by its vast automotive and industrial sectors.—
Bojan Stojkovski,
Interesting Engineering,
31 Jan. 2026
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SciAm always educates and delights me, and inspires a sense of awe for our vast, beautiful universe.—
Nature magazine,
Scientific American,
31 Jan. 2026
Adjective
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The final project aims to blend elements from space sims, first-person shooters, MMOs, and more into a massive amalgamation set in a huge, persistent universe.—
Alan Bradley,
Space.com,
31 Jan. 2026
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The Senate passed a package funding huge chunks of the federal government through September but setting a two-week stopwatch on the expiration of Homeland Security funding.—
Burgess Everett,
semafor.com,
31 Jan. 2026
Adjective
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These stray images were then blasted away by a blazing sun that completely filled the space of awareness before transforming itself into a gigantic eyeball—a sighted sun with a black circle of iris.—
Michael Pollan,
The Atlantic,
26 Jan. 2026
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An ending to the story of this gigantic resource has yet to be written.—
Scott Montgomery,
Forbes.com,
25 Jan. 2026
Adjective
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At its heart is a 38-meter-high domed lounge with dazzling gold-and-maroon Islamic fretwork walls and an enormous chandelier.—
Rebecca Ann Hughes,
Forbes.com,
29 Jan. 2026
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Modern society has fully embraced the label, placing enormous value on intellect and IQ.—
Jasna Hodžić,
Big Think,
29 Jan. 2026
Adjective
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The cemetery was divided in two by a windbreak of giant elms.—
Literary Hub,
Literary Hub,
29 Jan. 2026
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Just more than a minute after ignition, the ruptured booster caused the shuttle’s giant external fuel tank to explode, tearing the vehicle to pieces over the ocean and dooming all seven astronauts.—
Meghan Bartels,
Scientific American,
28 Jan. 2026
Adjective
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What gives management the confidence to continue investing is a massive backlog that keeps getting bigger and bigger.—
Jeff Marks,
CNBC,
29 Jan. 2026
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The killing of two civilians by federal officers, including the fatal shooting of Alex Pretti on Saturday, has drawn increasing criticism from public officials, including Republicans, and massive protests.—
Arkansas Online,
Arkansas Online,
29 Jan. 2026
Adjective
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And the country has tremendous long-term potential.—
Spencer Kimball,
CNBC,
30 Jan. 2026
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There is little doubt that this is a rapidly developing field and that there are tremendous upsides to be had, but at the same time, regrettably, hidden risks and outright gotchas come into these endeavors, too.—
Lance Eliot,
Forbes.com,
30 Jan. 2026
Adjective
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Russia has the world’s largest fleet with about 100 vessels, including colossal ships powered by nuclear reactors.—
Sam McNeil,
Los Angeles Times,
23 Jan. 2026
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Here, even check-in is transformed from pedestrian passport handover to what feels like a colossal, living, breathing oil painting.—
Jonnie Bayfield,
Condé Nast Traveler,
22 Jan. 2026
Cite this Entry
“Mountainous.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/mountainous. Accessed 2 Feb. 2026.
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