rugged

adjective

having irregular projections and depressions; uneven in surface or contour; rough; wrinkled: rugged ground, a rugged coast
strong, irregular, and wrinkled: said of the face or facial features
stormy; tempestuous: rugged weather
sounding harsh: rugged tones
severe; harsh; hard; stern: a rugged life
not polished, cultivated, refined, or elegant; rude: rugged manners
☆ strong; robust; sturdy; vigorous
Informal requiring great skill, strength, endurance, etc.: a rugged test