What is the meaning of Rugged?

Broken into sharp or irregular points; uneven; not smooth; rough.

Not neat or regular; irregular, uneven.

Rough with bristly hair; shaggy.

Strong, sturdy, well-built.

Rocky and bare of plantlife.

Harsh; austere; hard

Stormy; turbulent; tempestuous

Harsh; grating; unpleasant sounding or looking

Sour; surly; frowning; wrinkled

Violent; rude; boisterous

Vigorous; robust; hardy

Designed to reliably operate in harsh usage environments and conditions.

Having a rug or rugs.

Covered with a rug.

simple past and past participle of rug

Source: wiktionary.org