1. sloping downward; descending gradually or steeply
Usage: formal or technical; often used in geology, geography, or landscape description

Examples

• The declivitous terrain made hiking down the mountain easier than climbing up.
• The river followed a declivitous path through the valley.
• From the ridge, the declivitous slope descended sharply toward the forest below.
• The architect designed the plaza with a declivitous surface to improve drainage.
• The declivitous hillside was covered with wildflowers in spring.