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downhill

American  
[doun-hil, doun-hil] / ˈdaʊnˈhɪl, ˈdaʊnˌhɪl /

adverb

  1. down the slope of a hill; downward.

  2. into a worse or inferior condition.

    The business has been going downhill.


adjective

  1. going or tending downward on or as on a hill.

  2. free of problems or obstacles; easy.

    After the initial setbacks on the project, it was downhill all the way.

  3. of or relating to skiing downhill.

noun

  1. a timed ski race on a steep slope in which competitors take the most direct route to the finish line following a course with relatively few turns and attaining very high speeds.

downhill British  
/ ˈdaʊnˈhɪl /

adjective

  1. going or sloping down

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

adverb

  1. towards the bottom of a hill; downwards

  2. informal to decline; deteriorate

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

noun

  1. the downward slope of a hill; descent

  2. a competitive event in which skiers are timed in a downhill run

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of downhill

First recorded in 1585–95; down 1 + hill

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