D defs.my
Entry 2 senses Webster, 1913

Steepness

· Steep·ness · IPA /stˈiːpnəs/
01 n. Quality or state of being steep; precipitous declivity; as, the steepnessof a hill or a roof.
  1. 1.
    Quality or state of being steep; precipitous declivity; as, the steepnessof a hill or a roof.
  2. 2.
    Height; loftiness.[Obs.]