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Synonyms for Mountainous (same or very similar meaning)

WordNet sense 1 (having hills and crags):
craggy, hilly, cragged

WordNet sense 2 (having or caused by an irregular surface):
rough, unsmooth

WordNet sense 3 (above average in size or number or quantity or magnitude or extent):
big, large

WordNet sense 4 (used of high or hilly country):
highland, upland


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