Preposition: of

• mountain: The most abrupt declivity of these mountains confronts the Zanzibar coast, but the western slopes are merely inclined planes.

Adjective modifier

• gentle: But I was expecting a series of gentle declivities, some long, languorous curves, like Herne Hill in south London.

• northern: The numerous springs which rise from northern declivities supply every district of the county.

• southern: The whole face of the southern declivity was covered with wild shrubbery alone an occasional silver willow or white poplar excepted.

• rocky: In the dim light he forced his horse through a tangled thicket overhanging a steep and rocky declivity.

• western: The village of Balmerino is pleasantly situated on the western declivity of the Scurr hill, already mentioned.