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Definitions

mountainous

[moun-tn-uhs] / ˈmaʊn tn əs /


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Drones struggle to count items that are covered or hiding, such as cattle in mountainous terrains, and are largely ineffective indoors.

From The Wall Street Journal • Apr. 7, 2026

She was “able to amazingly quickly cross quite mountainous terrain,” he said.

From Los Angeles Times • Apr. 6, 2026

That had sparked a race over the weekend in mountainous terrain, with images posted on social media of US aircraft and helicopters flying low over Iran as part of search-and-rescue operations.

From Barron's • Apr. 5, 2026

The Gulf of Mexico is home to at least 19 other threatened and endangered species including various types of turtles, the giant manta ray and mountainous star coral.

From BBC • Mar. 31, 2026

In the darkness, I can make out the shadowy outline of the mountainous buttes that surround us.

From "A Rover's Story" by Jasmine Warga