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Meaning of mountainous

moun•tain•ous

Pronunciation: (moun'tn-us), [key]
— adj.
  1. abounding in mountains: a mountainous wilderness.
  2. of the nature of a mountain.
  3. resembling a mountain or mountains, as being very large and high: mountainous waves.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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