Medical Definition of Regress
Regress: To return or go back, particularly to return to a pattern of behavior or level of skill characteristic of a younger age. For example, if a 3-year-old child begins to regress by losing the ability to control his bowels or speak, that is a cause for medical concern.
Last Editorial Review: 6/9/2016
Back to MedTerms online medical dictionary A-Z List
Need help identifying pills and medications?