as in vast
unusually large
the seemingly mountainous obstacles he had to overcome while growing up
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Recent Examples of mountainous
Complex, mountainous terrain can be a challenge for weather radar beams.
—
Marshall Shepherd, Forbes.com, 3 Aug. 2025
Dry and hot conditions, with temperatures climbing above 100 degrees, in mountainous terrain make containing the blaze difficult for thousands of firefighters responding to the area, according to Ruggiero.
—Eduardo Cuevas, USA Today, 9 Aug. 2025
The Canyon Fire is burning in a mountainous area north of Los Angeles and has been spreading toward the community of Castaic in L.A. County.
—Denise Chow, NBC news, 9 Aug. 2025
What To Know The Canyon Fire started at 1:25 p.m. local time in a remote mountainous area southeast of Piru Lake, north of Highway 126 and west of the town of Castaic.
—Robert Birsel, MSNBC Newsweek, 8 Aug. 2025
See All Example Sentences for mountainous
Marshall Shepherd, Forbes.com, 3 Aug. 2025
Dry and hot conditions, with temperatures climbing above 100 degrees, in mountainous terrain make containing the blaze difficult for thousands of firefighters responding to the area, according to Ruggiero.
—Eduardo Cuevas, USA Today, 9 Aug. 2025
The Canyon Fire is burning in a mountainous area north of Los Angeles and has been spreading toward the community of Castaic in L.A. County.
—Denise Chow, NBC news, 9 Aug. 2025
What To Know The Canyon Fire started at 1:25 p.m. local time in a remote mountainous area southeast of Piru Lake, north of Highway 126 and west of the town of Castaic.
—Robert Birsel, MSNBC Newsweek, 8 Aug. 2025
See All Example Sentences for mountainous
Recent Examples of Synonyms for mountainous
Adjective
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The album is vast, a world unto itself, and taking all-comers; something that could hardly be said of its root genre, which could be insular in the extreme.—
Chris R. Morgan,
The Washington Examiner,
22 Aug. 2025
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With the start of the regular season vast approaching, one player didn't hold back on his thoughts regarding their dealings in recent months.—
Kevin McCormick,
MSNBC Newsweek,
22 Aug. 2025
Adjective
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By then the nation is forecast to be facing a huge spike in power outages if sufficient new energy is not released into the U.S. electric grid.—
Noël Fletcher,
Forbes.com,
1 Sep. 2025
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American Taylor Townsend plays Czech Barbora Krejčíková in the fourth round of the U.S. Open women’s singles tournament on Sunday, but regardless of the result, the fourth Grand Slam of the year has already been a huge win for Townsend.—
Lev Akabas,
Sportico.com,
31 Aug. 2025
Adjective
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If confirmed, this finding would mean the gigantic blue-green ice planet would have 29 moons.—
Jorge Garay,
Wired News,
22 Aug. 2025
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His gigantic pants, shin pads and elbow pads are all bespoke, too.—
James Mirtle,
New York Times,
21 Aug. 2025
Adjective
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Stans — a music documentary about iconic rapper Eminem and how his songs have resonated with his enormous fan base — is coming to streaming this week.—
Tim Lammers,
Forbes.com,
23 Aug. 2025
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Investigators suspect that cooling towers – which use water to cool enormous buildings and then release mist into the air – are the origin of the disease-causing bacteria, Legionella.—
Janet Loehrke,
USA Today,
22 Aug. 2025
Adjective
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Before the festival, students at Escuela Verde in Silver City will create the photo collage that will be added to the giant letters, Bautch said.—
Alyssa N. Salcedo,
jsonline.com,
30 Aug. 2025
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Analysts say the tariffs broadside from Trump has pushed Modi into making some concessions towards China and cautiously embrace Xi at a time when the two giant neighbors had already been exploring an improvement of their frosty ties.—
Ivan Watson,
CNN Money,
29 Aug. 2025
Adjective
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This matchup got extra juicy following last week's massive trade, which saw one of the league's best pass rushers land in a place that desperately needed help on the edge ...—
Jim Reineking,
USA Today,
2 Sep. 2025
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Across the harbor from Malta’s capital is the Three Cities area, once the site of massive fortifications and now boasting several new high-end accommodations.—
Robb Report Studio,
Robb Report,
1 Sep. 2025
Adjective
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After making a tremendous mistake that triggers the French and Indian War, an ambitious 22-year-old George Washington must face his failures and find the courage to become the leader that will forge a nation.—
Dessi Gomez,
Deadline,
29 Aug. 2025
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Bypassing retailers can give brands a tremendous advantage in the form of access, not just to customers, but to the patterns in their behavior that is now directly usable to iterate and innovate.—
Alexander Puutio,
Forbes.com,
29 Aug. 2025
Adjective
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With downtime costing Fortune 500 companies approximately 11% of yearly turnover—a colossal $1.5 trillion—the ROI on maintenance optimization has never been clearer.—
Chris Turlica,
Forbes.com,
28 Aug. 2025
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First came a colossal eruption off the sun's southeastern limb, caught in stunning detail by NASA's Solar Dynamics Observatory (SDO) and NOAA's GOES-SUVI instrument.—
Daisy Dobrijevic,
Space.com,
21 Aug. 2025
Cite this Entry
“Mountainous.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/mountainous. Accessed 4 Sep. 2025.
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