[down.hill] adv (14c) 1: toward the bottom of a hill
2: toward a worsened or inferior state or level--used esp. in the phrase go downhill
[2]down.hill n (1591) 1: a descending slope
2: a skiing race against time down a trail--often used attrib. [3]down.hill adj (1727) 1: sloping downhill
2: closer to the bottom of an incline "your ~ ski"
3: not difficult: easy "after that problem the rest was ~"
4: progressively worse