Adjective: mountainous mawn-t(i-)nus
- Containing many mountains
"The mountainous terrain made travel difficult"; "They enjoyed hiking in the mountainous region"
- Having hills and crags
"mountainous terrain";
- cragged, craggy
- Like a mountain in size and impressiveness
"mountainous waves"; "a mountainous dark man"
See also: big, highland, hilly, large, rough, unsmooth, upland
Encyclopedia: Mountainous