- a downward movement; descent.
- the decrease in rate in degressive taxation.
- a decrease by stages
- a gradual decrease in the tax rate on amounts below a specified sum
late 15c., from Latin degressionem (nominative degressio) “a going down,” noun of action from past participle stem of degredi “to go down, march down, descend,” from de- “down” (see de-) + gradus “step” (see grade (n.)).