as in vast
unusually large
the seemingly mountainous obstacles he had to overcome while growing up
Synonyms & Similar Words
Relevance
Antonyms & Near Antonyms
Example Sentences
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Recent Examples of mountainous
Skiers in their 30s may have already checked off the Rockies and the Alps, so mountainous regions of Japan may be the next stop to experience the country’s famous powder.
—
Lydia Mansel, Travel + Leisure, 15 Mar. 2026
Servicing a mountainous areas like Escondido drives up costs, as an expensive network of pipes and pump stations is needed to move water up and down considerable inclines, said Kyle Morgan, the city’s acting director of utilities and wastewater.
—Lucas Robinson, San Diego Union-Tribune, 15 Mar. 2026
While Haiti is the most mountainous country in the Caribbean, the saying is often used to reflect the immense and constant obstacles Haiti has had to overcome.
—Kathleen Rellihan, Outside, 15 Mar. 2026
Native to the mountainous rainforests of Brazil, Easter lily (Rhipsalidopsis gaertneri) is an epiphyte, which grows in the crooks of tree branches.
—Arricca Elin Sansone, Southern Living, 15 Mar. 2026
See All Example Sentences for mountainous
Lydia Mansel, Travel + Leisure, 15 Mar. 2026
Servicing a mountainous areas like Escondido drives up costs, as an expensive network of pipes and pump stations is needed to move water up and down considerable inclines, said Kyle Morgan, the city’s acting director of utilities and wastewater.
—Lucas Robinson, San Diego Union-Tribune, 15 Mar. 2026
While Haiti is the most mountainous country in the Caribbean, the saying is often used to reflect the immense and constant obstacles Haiti has had to overcome.
—Kathleen Rellihan, Outside, 15 Mar. 2026
Native to the mountainous rainforests of Brazil, Easter lily (Rhipsalidopsis gaertneri) is an epiphyte, which grows in the crooks of tree branches.
—Arricca Elin Sansone, Southern Living, 15 Mar. 2026
See All Example Sentences for mountainous
Recent Examples of Synonyms for mountainous
Adjective
-
SciAm always educates and delights me, and inspires a sense of awe for our vast, beautiful universe.—
Francine Russo,
Scientific American,
28 Mar. 2026
-
Despite standing at 6-foot-2 and playing a game more suited for a forward six inches taller, Payton entered Friday night having made 16 consecutive field goals, the vast majority of them being opportunistic dunks and layups off smart cuts and putbacks.—
Joseph Dycus,
Mercury News,
28 Mar. 2026
Adjective
-
Video from Chopper 2 shows the huge animal lying in the sand at the Queens beach Thursday.—
Alexa Herrera,
CBS News,
28 Mar. 2026
-
But, if the goal was to draw attention, the Weather Underground’s bombing campaign was a huge success.—
Zayd Ayers Dohrn,
New Yorker,
28 Mar. 2026
Adjective
-
The first time the scorebug appeared, it was accompanied by a gigantic advertisement that significantly increased the amount of space the graphic took up and remained for the entire inning.—
Mac Cerullo,
Boston Herald,
29 Mar. 2026
-
Grow the infrastructure at Stockton’s gigantic port.—
Connor Letourneau,
San Francisco Chronicle,
28 Mar. 2026
Adjective
-
Even if giant, enormous voids with no stars and galaxies in them at all did exist, this structure couldn’t possibly be one of those.—
Big Think,
Big Think,
26 Mar. 2026
-
Wall Street’s footprint in New York remains enormous.—
Nick Lichtenberg,
Fortune,
26 Mar. 2026
Adjective
-
Even if giant, enormous voids with no stars and galaxies in them at all did exist, this structure couldn’t possibly be one of those.—
Big Think,
Big Think,
26 Mar. 2026
-
The rockets would be coming from SpaceX’s Starbase in South Texas, which is both a corporate headquarters and production facility for the giant Starship, a critical part of NASA’s Artemis program to return astronauts to the moon.—
Brandon Lingle,
San Antonio Express-News,
25 Mar. 2026
Adjective
-
Starting overnight from Monday to Tuesday, Kremlin forces attacked Ukraine in three massive waves, the Ukrainian air force said, initially launching nearly 400 drones and more than 30 ballistic and cruise missiles.—
Arkansas Online,
Arkansas Online,
26 Mar. 2026
-
Israel destroyed roughly 70% of its massive arsenal of around 150,000 missiles in the last war, but the arsenal that remains is still formidable.—
Brady Knox,
The Washington Examiner,
26 Mar. 2026
Adjective
-
The research is already showing tremendous results.—
Etiido Uko
March 28,
New Atlas,
28 Mar. 2026
-
The ball went into Wallace-Johnson — second on the team with 19 points, while Ichima Idoko had 23 — but Hill played tremendous defense keeping the ball in the DeLaSalle backcourt before Chatman’s clinching steal in the final second.—
Mike Cook,
Twin Cities,
28 Mar. 2026
Adjective
-
In order to get the money for these unprecedented projects, data-center providers are beginning to take on colossal amounts of debt.—
Matteo Wong,
The Atlantic,
26 Mar. 2026
-
Brecher's image reveals the 30-light-year-wide emission nebula NGC 2359, whose bubble-like form was sculpted by the stellar wind blasting out from the colossal Wolf-Rayet star at its heart.—
Anthony Wood,
Space.com,
23 Mar. 2026
Cite this Entry
“Mountainous.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/mountainous. Accessed 2 Apr. 2026.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
