SLOPING

To tend steadily upward or downward.

Example: "The road slopes sharply down at that point."

To form with a slope; to give an oblique or slanting direction to; to incline or slant.

Example: "To slope the ground in a garden;   to slope a piece of cloth in cutting a garment"

(usually followed by a preposition) to try to move surreptitiously.

Example: "I sloped in through the back door, hoping my boss wouldn't see me."

To hold a rifle at a slope with forearm perpendicular to the body in front holding the butt, the rifle resting on the shoulder.

Example: "The order was given to "slope arms"."