HILL

n. 1 elevation, rise, highland, mound, prominence, promontory, eminence, knoll, hillock, hummock, height, foothill, tor, mount, upland, downs or downland, Scots brae, No. Brit fell, W Brit tump, US and Canadian butte The house is on a hill overlooking the valley 2 heap, pile, mound, stack; mountain By the autumn, the hill of compost had reached six feet in height 3 slope, incline or decline, acclivity or declivity, gradient or esp. US grade, US upgrade or downgrade: Are you sure this car can make it up the next hill?