mountainous

[ moun-tn-uhs ]
/ 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.

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Origin of mountainous

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

OTHER WORDS FROM mountainous

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

Example sentences from the Web for mountainous

British Dictionary definitions for mountainous

mountainous
/ (ˈmaʊntɪnəs) /

adjective

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

Derived forms of mountainous

mountainously, adverbmountainousness, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012