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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

The Americans were believed to be in Kohgiluyeh and Boyer-Ahmad, in a mountainous province of steep ridgelines.

From The Wall Street Journal • Apr. 5, 2026

Videos on social media appeared to show hundreds of people heading to a mountainous area in south-western Iran to search for the missing US airman.

From BBC • Apr. 5, 2026

The area's mountainous geography makes it doubly vulnerable.

From Barron's • Apr. 3, 2026

“The mountains” meant the mountainous region about seventy miles to the west.

From "In the Shadow of Liberty" by Kenneth C. Davis