Definitions of mountainous

  1. having hills and crags; " hilly terrain"
  2. like a mountain in size and impressiveness; " mountainous waves"; " a mountainous dark man"
  3. Full of, or containing, mountains; as, the mountainous country of the Swiss.
  4. Large as, or resembling, a mountain; huge; of great bulk; as, a mountainous heap.
  5. Full of mountains: large as a mountain: huge.
  6. Abounding in mountains.
  7. Like a mountain; huge.
  8. Full of mountains; large as a mountain; huge; inhabiting mountains.
  9. Full of mountains; huge.