To tend steadily upward or downward.
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.
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.
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.
The order was given to "slope arms".