steepinessEtymologyFrom steepy + -ness.nounSynonym of steepness.“[T]he craggineſſe and ſteepineſſe of places up and dovvn is a great advantage to the dvvellers, and makes them inacceſſible, for they ſerve as Fortreſſes erected by Nature her ſelfe, to protect them from all incurſions: […]”