1. a downward slope or incline
Usage: formal

Examples

• The hikers carefully descended the steep declivity.
• The road followed a gentle declivity toward the valley.
• Snow had accumulated on the northern declivity of the mountain.
• The architect designed the building to follow the natural declivity of the land.
• Water flowed rapidly down the declivity after the storm.
• The declivity was too steep for the elderly visitors to navigate safely.