1. in a manner that decreases or reduces gradually in amount, intensity, or rate
Usage: formal; technical

Examples

• The tax rate was applied degressively, with higher earners paying proportionally less.
• The medication's effectiveness decreased degressively over the course of treatment.
• The company's market share declined degressively throughout the fiscal year.
• Interest rates were adjusted degressively to stimulate economic growth.
• The penalty structure was designed to apply degressively based on the severity of the offense.