I. ˈ ̷ ̷ˌ ̷ ̷ noun
Etymology: down (IV) + hill
1.
a. archaic : the slope toward the bottom of a hill : declivity , descent
b. : a descending gradient (as in circumstances or human existence)
the tragic downhills that bring many promising careers to an end
2.
[ downhill (II) ]
: a competitive ski event consisting of skiing down a trail against time
II. ˈ ̷ ̷| ̷ ̷ adverb
Etymology: down (III) + hill
1. : toward the bottom of a hill
traveling downhill we really got up speed
2. : toward a lower, poorer, or inferior state or level — used especially in the phrase go downhill
the town has gone downhill since the mill closed
after he retired he went downhill very rapidly
III. ˈ ̷ ̷ˌ ̷ ̷ adjective
Etymology: downhill (II)
1. : sloping downhill
2.
[ downhill (II) 2]
: of, relating to, or designed for use in skiing downhill
a leading downhill contestant
attractive downhill trousers