Definition of "steep-sided" [steep-sided]

• Having very steep sides (adjective)

WordNet. Princeton University. 2010.

• "As the morning gives way to afternoon, the anemic, late-winter sun burns through, lifting the heavy mist and exposing the dramatic steep-sided canyon."
• "In another outdoor new year tragedy, a man died after falling out of a canoe as he navigated his way down a steep-sided river gorge in Cornwall, police said."
• "Today the steep-sided pit is a refuge for chalk grassland plants and animals once frequent on the now arable-ised fields of the south Cambridgeshire chalk belt."