1. sloping upward; rising gradually
Usage: formal or technical; often used in geology, geography, or landscape description

Examples

• The acclivitous terrain made the hike more challenging as we climbed higher.
• The road became increasingly acclivitous as it approached the mountain pass.
• From the valley, the acclivitous slope of the hill was clearly visible.
• The acclivitous path wound through the forest toward the summit.
• Geologists studied the acclivitous formation of the hillside.