adjective🔗ShareHaving many mountains; characterized by mountains; of the nature of a mountain; rough (terrain); rocky."The mountainous terrain made the hiking trail challenging for the group. "geographynaturegeologyenvironmentareaChat with AIVocabulary GamePractice Reading
adjective🔗ShareResembling a mountain, especially in size; huge; towering."The task ahead seemed mountainous, overwhelming us with its sheer size and complexity. "geographynaturegeologyenvironmentappearanceChat with AIVocabulary GamePractice Reading
adjective🔗Share(of a problem or task) Very difficult."The project was mountainous; it took months of hard work to complete. "situationChat with AIVocabulary GamePractice Reading
adjective🔗ShareInhabiting mountains; hence, barbarous."The mountainous tribe's customs were very different from our own. "geographycharacterenvironmentChat with AIVocabulary GamePractice Reading
