1.
If something or someone is ~ or is moving ~, they are near the top of a hill or are going up a slope.
He had been running ~ a long way...
? downhill
ADV: ADV after v, be ADV, ADV from n
•
Uphill is also an adjective.
...a long, ~ journey...
The walk from the village to Greystones was ~ all the way.
? downhill
ADJ: usu ADJ n
2.
If you refer to something as an ~ struggle or an ~ battle, you mean that it requires a great deal of effort and determination, but it should be possible to achieve it.
It had been an ~ struggle to achieve what she had wanted...
It’s an ~ battle but I think we’re going to win.
ADJ: ADJ n