I. ˌdau̇n-ˈhil adverb
Date: 14th century
1. : toward the bottom of a hill
2. : toward a worsened or inferior state or level — used especially in the phrase go downhill
II. ˈdau̇n-ˌhil noun
Date: 1548
1. : a descending slope
2.
a. : the sport of skiing on downhill trails — often used attributively
b. : a skiing race against time down a trail
finished second in the downhill
III. -ˌhil adjective
Date: 1622
1. : not difficult : easy
after that problem the rest was downhill
2. : sloping downhill
3. : closer to the bottom of an incline
your downhill ski
4. : progressively worse