noun

1. a piece of ground that is not flat or level; rising or falling ground
2. any inclined line, surface, position, etc.; slant
3. 1. deviation from the horizontal or vertical
   2. the amount or degree of this
4. Slang a native of East Asia, often, specif., of Vietnam: a vulgar term of hostility and contempt
5. ☆ the land area that drains into a given ocean
6. Math.
   1. the trigonometric tangent of the positive angle formed between a given straight line and the x-axis of a pair of Cartesian coordinates
   2. the slope of the tangent line to a given curve at a designated point

Etymology: ME < aslope, sloping (mistaken as a slope) < OE aslopen, pp. of aslupan, to slip away < slupan, to glide: see sloop

intransitive verb sloped, sloping slop′·ing

1. to have an upward or downward inclination; take an oblique direction; incline; slant
2. Chiefly Brit., Informal to go or move (off, away, etc.), esp. in a leisurely or furtive way

transitive verb

adjective