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 ancestry.