All mountainous synonyms

adjective mountainous

• hilly — full of hills; having many hills; hilly country.
• rocky — inclined or likely to rock; tottering; shaky; unsteady.
• high — having a great or considerable extent or reach upward or vertically; lofty; tall: a high wall.
• steep — having an almost vertical slope or pitch, or a relatively high gradient, as a hill, an ascent, stairs, etc.
• precipitous — of the nature of or characterized by precipices: a precipitous wall of rock.
• rugged — having a roughly broken, rocky, hilly, or jagged surface: rugged ground.
• huge — extraordinarily large in bulk, quantity, or extent: a huge ship; a huge portion of ice cream.
• enormous — very big
• immense — vast; huge; very great: an immense territory.
• monumental — resembling a monument; massive or imposing.
• gigantic — very large; huge: a gigantic statue.
• colossal — If you describe something as colossal, you are emphasizing that it is very large.
• massive — consisting of or forming a large mass; bulky and heavy: massive columns.
• vast — of very great area or extent; immense: the vast reaches of outer space.
• highland — a region in N Scotland, including a number of the Inner Hebrides. 9710 sq. mi. (25,148 sq. km).
• alpine — Alpine means existing in or relating to mountains, especially the ones in Switzerland.
• big — A big person or thing is large in physical size.
• mammoth — any large, elephantlike mammal of the extinct genus Mammuthus, from the Pleistocene Epoch, having hairy skin and ridged molar teeth.
• tall — having a relatively great height; of more than average stature: a tall woman; tall grass.
• towering — very high or tall; lofty: a towering oak.