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Word of the Day Tuesday, June 9, 2026

mountainous

/ˌmaʊntɪˈnəs/ adjective · British & US
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What does mountainous mean?

adjective

Having a lot of mountains; having a rugged and rocky surface. Characterized by or resembling mountains in size, shape, or steepness.

Example

"The mountainous terrain made it difficult to build a road through the area."

Definition generated by AI and curated by RJS Tech Solutions LLP.

Synonyms for mountainous

Antonyms of mountainous

Rhymes with mountainous

Etymologically related