When the road was unusually steep, to spare the horses, we walked.

The hill seemed unusually steep to-night and the way unusually long.

The doorway was splintered and bowed, and the stairs beyond seemed unusually steep.

He worked his legs hard and strained to increase speed, but the twisting grade was unusually steep.

Occasionally the men had to put their shoulders to the wheels to help on the oxen where the ground was unusually steep.

He couldn't remember exactly how the casements worked, only that they'd had an unusually steep sill and some sort of drip edge.