This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
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adj. Having many mountains.

adj. Resembling a mountain in size; huge: mountainous waves.

adj. Having many mountains; rough (terrain); rocky.

adj. Resembling a mountain, especially in size.

adj. Very difficult.

adj. Full of, or containing, mountains.

adj. Inhabiting mountains.

adj. Large as, or resembling, a mountain; huge; of great bulk.

Abounding in mountains: as, the mountainous country of the Swiss.

Large as a mountain; huge; towering.

Inhabiting mountains; barbarous.

adj. like a mountain in size and impressiveness

adj. having hills and crags

adj. containing many mountains

"Interestingly. while we all cherish the rains and lake replenishment of summer here at Lake Chapala, in mountainous Chiapas and the adjacent flat coastal plain of Tabasco on the Gulf, the rains, while certainly needed and a blessing, bring flooding in the plains and mudslides in the hills that can be devastating."

big    large    unsmooth    rough    highland   

huge    gigantic   

hilly    rocky    precipitous    arid    eastern