Definition of "downhill"

downhill

/ˈdaʊnˌhɪl/

adverb
comparative more downhill, superlative most downhill
1. Down a slope.
  Quotations
  I worked my way downhill, slip sliding in the mud along a steep embankment that followed a stream until it emptied into a creek.
  2006, Michael Pollan, The Omnivore's Dilemma, The Penguin Press, page 388
2. (by extension) Deteriorating, getting worse.
adjective
comparative further downhill, superlative furthest downhill
1. Located down a slope or hill.
2. Going down a slope or a hill.
3. (by extension) Easy.
noun
countable and uncountable, plural downhills
1. (uncountable) The fastest of the disciplines of alpine skiing.
2. (countable) A rapid descent of a hill in related sports, especially in alpine skiing.
verb
third-person singular simple present downhills, present participle downhilling, simple past and past participle downhilled
1. To take part in downhill skiing.