/ ˌʌpˈhɪl; NAmE / adjective , adverb
■ adjective
1.
sloping upwards :
an uphill climb / slope
The last part of the race is all uphill.
OPP downhill
2.
uphill battle, struggle, task, etc. an argument or a struggle that is difficult to win and takes a lot of effort over a long period of time
■ adverb
towards the top of a hill or slope :
We cycled uphill for over an hour.
The path slopes steeply uphill.
OPP downhill