mountainous Meaning, Definition & Usage

  1. adjective satellite having hills and crags
    craggy; cragged; hilly.
    • hilly terrain
  2. adjective satellite like a mountain in size and impressiveness
    • mountainous waves
    • a mountainous dark man
  3. adjective satellite containing many mountains

WordNet

Moun"tain*ous adjective
Etymology
F. montagneux, L. montaniosus.
Definitions
  1. Full of, or containing, mountains; as, the mountainous country of the Swiss.
  2. Inhabiting mountains. Obs. Bacon.
  3. Large as, or resembling, a mountain; huge; of great bulk; as, a mountainous heap. Prior.

Webster 1913