Near the bottom, where the way grew steep, steps had been cut into the rock.

As the slope grew steeper, she got the better of him.

Finally, the flat ground grew steeper and they picked up more speed.

As he studied it, the path seemed to grow even steeper.

It was an old path, worn by many feet, and near the bottom, where the way grew steep, steps had been cut into the rock.

It was getting more difficult to breathe, and the path grew steeper.

As the slope down which they moved grew steeper, so progress became more slow.

The cliff grew steeper so he quickly made a tactical decision to make his stand here.

At first the slope was gradual and then it grew steeper.

The road grew steep, and traction became much more treacherous.