Third-person singular simple present indicative form of slope.(verb)
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Use "slopes" in a sentence
"The green slopes from the left and toward the back."
"Inspired by a mountain, this house is like a huge inclined block – sloping roofs epitomize mountain slopes and the lovely grey color of the house blends in perfectly with the hilly terrain."
"The story river readers want to ride races down mountain slopes, hurtles around sharp bends to reveal unexpected events, plunges into canyons and out again until a killer waterfall comes into view."