The pitch Steepened before her, the skis rose and dipped over the little uneven places, the air cut at her face, stung her eyes.
"The Short Cut"
Jackson Gregory
As the angles Steepened, the strain on his strength became more and more apparent.
"The Ascent of the Matterhorn"
Edward Whymper
The slope Steepened, and for thirty feet or so we descended face to the wall, making steps by kicking with the toes, and thrusting the arms well into the holes above, just as if they had been rounds in a ladder.
"The Ascent of the Matterhorn"
Edward Whymper