rugged vs unsteady

rugged

adj
  • Not neat or regular; irregular, uneven. 

  • Rough with bristly hair; shaggy. 

  • Violent; rude; boisterous 

  • Having a rug or rugs. 

  • Covered with a rug. 

  • Stormy; turbulent; tempestuous 

  • Harsh; grating; unpleasant sounding or looking 

  • Rocky and bare of plantlife. 

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

  • Designed to reliably operate in harsh usage environments and conditions. 

  • Harsh; austere; hard 

  • Vigorous; robust; hardy 

  • Sour; surly; frowning; wrinkled 

  • Strong, sturdy, well-built. 

unsteady

adj
  • Lacking regularity or uniformity. 

  • Inconstant in purpose, or volatile in behavior. 

  • Not held firmly in position, physically unstable. 

verb
  • To render unsteady, removing balance. 

How often have the words rugged and unsteady occurred in a corpus of books? (source: Google Ngram Viewer )