downward slope

You point out this consistent prediction that the United States is on this downward slope.

He imagined that the downward slope had a fall of about forty or fifty feet perpendicular.

They stood side by side, bracing themselves against the downward slope of the deck.

It must have skimmed the apex and glanced off the downward slope—convex side down—as a stone glances off a pond.

To the right is an abrupt downward slope, ending in a deep ravine.

They passed the fire and waste and ruin, rounded a curve, and came upon the long downward slope to the river.