|part of speech:
||having many mountains.
There are many ski slopes in the mountainous areas of northeastern United States.
||very large or high; huge.
She served me a mountainous bowl of ice cream for dessert.
- enormous, giant, gigantic, huge, immense, mammoth, massive
- similar words:
- aerial, great, lofty, mighty, tall
||mountainously (adv.), mountainousness (n.)