uphill

Etymology

up + hill.

adv

1. Up a slope, towards higher ground.
2. (by extension) With difficulty.

adj

1. Located up a slope or on a hill.
2. Going up a slope or a hill.
   The engine seemed a little sensitive to wet rails, and in consequence the uphill work was not so good north of Dundee as it had been earlier. But I have noted this same "touchiness" on the part of the "A4s", and other modern British 4-6-2s, so that in this respect No. 2006 proved no exception. 1947 January and February, O. S. Nock, “"The Aberdonian" in Wartime”, in Railway Magazine, page 9
3. (by extension) Difficult or laborious.
   For a large part of this game, England once again looked like a team suffering from the rigours of a long season and faced an uphill task when Hofmann put Germany in front. 7 June 2022, Phil McNulty, “Germany 1-1- England”, in BBC Sport

noun

1. An uphill route.