The fastest of the disciplines of alpine skiing.
A rapid descent of a hill in related sports, especially in alpine skiing.
To take part in downhill skiing.
Located down a slope or hill.
Going down a slope or a hill.
(by extension) Easy.
(by extension) Deteriorating, getting worse.
After Don made those tasteless remarks, our relationship with him went downhill.
Down a slope.
Because we got to the summit of the mountain, we could only go downhill from there.