Of country, land, or landscape: uncultivated, wild; (hence by association with branch A. II.) rugged, forbidding, inhospitable. Also: of or belonging…

Ungenial, wild and rugged.

Of natural scenery or objects: rugged, rough; uncultivated, wild.

Rough and irregular in outline; of ground, rugged and barren. Also figurative. Cf. cragged, adj.1

Of land, terrain, etc.: rugged, forbidding; harsh; bleak. In early use chiefly figurative.

Of landscape or a feature in the landscape: stiff in outline or formation; (hence) bare, barren, desolate.

Of a country, or its physical features, the soil, etc. (with figurative notion of senses A. 1 A. 4): Unkindly, inhospitable; destitute of amenity…