Source : Webster's Revised Unabridged Dictionary (1913)

Slope \Slope\, v. t. [imp. & p. p. {Sloped}; p. pr. & vb. n.
   {Sloping}.]
   To form with a slope; to give an oblique or slanting
   direction to; to direct obliquely; to incline; to slant; as,
   to slope the ground in a garden; to slope a piece of cloth in
   cutting a garment.

Source : WordNet®

sloped
     adj : having an oblique or slanted direction [syn: {aslant}, {aslope},
            {diagonal}, {slanted}, {slanting}, {sloping}]