B2adjectivenatureacademic
US/ˈmaʊn.tən.əs/
UK/ˈmaʊn.tən.əs/
having many mountains, or covered with high, steep hills
In context
The northern part of the country is mountainous and thinly populated.
Building roads in mountainous terrain is slow and very expensive.
Most of the villages in this mountainous region have no railway.
Words that go with mountainous
adjective + noun
- mountainous regionThe mountainous region receives heavy snow every winter.
- mountainous terrainThe army struggled in the mountainous terrain.
- mountainous countryNepal is a mountainous country with few large cities.
- mountainous areaFarming is difficult in a mountainous area.
adverb + adjective
- mostly mountainousThe island is mostly mountainous, so people live on the coast.