THESAURUS
downhill
adown, aslant, aslantwise, aslope, at a slant, atilt, below, collapsing, deciduous, decline, declined, declining, declivate, declivitous, declivity, declivous, decurrent, descendant, descending, descent, dip, dipping, down, down south, down-reaching, downcoming, downfalling, downgate, downgoing, downgrade, downline, downright, downsinking, downstairs, downstream, downstreet, downtown, downward, downwards, downwith, drooping, drop, dropping, fall, falling, falling-off, hang, hanging, off plumb, on the descendant, on the downgrade, plummeting, plunging, rakingly, sagging, setting, sinking, slantingly, slantways, slantwise, slaunchways, slopeways, slopingly, submerging, subsiding, tipsily, tottering, tumbledown, upgrade, uphill
ROGET THESAURUS
downhill
Obliquity
N
obliquity, inclination, slope, slant, crookedness, slopeness, leaning, bevel, tilt, bias, list, twist, swag, cant, lurch, distortion, bend, tower of Pisa, acclivity, rise, ascent, gradient, khudd, rising ground, hill, bank, declivity,
downhill, dip, fall, devexity, gentle slope, rapid slope, easy ascent, easy descent, shelving beach, talus, monagne Russe, facilis descensus averni.
Descent
N
descent, descension, declension, declination, fall, falling, slump, drop, plunge, plummet, cadence, subsidence, collapse, lapse, downfall, tumble, slip, tilt, trip, lurch, cropper, culbute, titubation, stumble, fate of Icarus, avalanche, debacle, landslip, landslide, declivity, dip, hill, rappel, descending, descendent, decurrent, decursive, labent, deciduous, nodding to its fall,
downhill, downwards, the bottom fell out.