1. To diverge from the vertical or horizontal; incline: a roof that slopes. See Synonyms at slant2. To move on a slant; ascend or descend: sloped down the trail. To cause to slope: sloped the path down the bank.n.1. An inclined line, surface, plane, position, or direction.2. A stretch of ground forming a natural or artificial incline: ski slopes.3. a. A deviation from the horizontal.b. The amount or degree of such deviation.4. Mathematics a. The rate at which an ordinate of a point of a line on a coordinate plane changes with respect to a change in the abscissa.b. The tangent of the angle of inclination of a line, or the slope of the tangent line for a curve or surface.5. Offensive Slang Used as a disparaging term for a person of East Asian birth or descent.