deteriorating degenerating relapsing regressive backsliding returning worsening declining retrograde backward behind astern inverted rearward downward negative unwelcome downhill unprogressive waning degenerate degenerative retrogressive catabolic receding reversing slipping lapsing sinking lapse regression reversion backslide relapse atavism throwback retrogradation deterioration retrogression recidivism return repetition recession recurrence slide relic resemblance reoffending regressing retrogressing defaulting recurring resuming retrograding changing inverting mutating passing reacting reexamining reinvestigating reopening restoring revisiting transposing turning reoccurring weakening failing suffering falling fading escheating ebbing decaying dropping crumbling devolving rotting descending retroceding retreating slumping subsiding repeating reappearing persisting iterating reiterating rebounding reentering flaring retiring repairing rotating recoiling reconsidering revolving resurfacing erupting