Worsen (7)
'worsen' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for relapse that I've seen before include "Fall ill again after rallying" , "Fall back into old ways" , "setback in health terms" , "Pleaser may slip to earlier state" , "Get worse again" .)
'worsen' is the definition.
(I know that degenerate is a kind of the worsen)
This is all the clue.
(Other definitions for degenerate that I've seen before include "Corrupt type" , "Dissolute" , "Rogue" , "Sexual deviant - grow worse" , "Decline physically or morally" .)