mountainous

[ moun-tn-uh s ]
/ ˈmaʊn tn əs /

adjective

abounding in mountains: a mountainous wilderness.
of the nature of a mountain.
resembling a mountain or mountains, as being very large and high: mountainous waves.

Origin of mountainous

First recorded in 1400–50, mountainous is from the late Middle English word mounteynous. See mountain, -ous

OTHER WORDS FROM mountainous

Example sentences from the Web for mountainous

British Dictionary definitions for mountainous

mountainous
/ (ˈmaʊntɪnəs) /

adjective

of or relating to mountains a mountainous region
like a mountain, esp in size or impressiveness

Derived forms of mountainous

mountainously, adverb mountainousness, noun