Rough; full of asperities on the surface; broken into sharp or irregular points or crags, or otherwise uneven; as a rugged mountain; a rugged road.

Uneven; not neat or regular. His well proportion’d beard made rough and rugged.

Rough in temper; harsh; hard; crabbed; austere.

Stormy; turbulent; tempestuous; as rugged weather; a rugged season.

Rough to the ear; harsh; grating; as a rugged verse in poetry; rugged prose.

Sour; surly; frowning; wrinkled; as rugged looks.

Violent; rude; boisterous.

Rough; shaggy; as a rugged bear.

In botany, scabrous; rough with tubercles or stiff points; as a leaf or stem.