
Uphill
Physical Effort
Using 'uphill' can imply the physical challenge or difficulty of an action.

After the long hike uphill, they were exhausted.
Literal Slope
'Uphill' is often used to describe the literal slope of terrain, not a figurative action.

The car struggled as it went uphill.
Compare with
AscendElevateGradualHillyInclineSlopeSteepUpward
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