Answer:

regain

AnswerCrossword Clue
REGAINGet back
REGAINWin back
REGAINTake back
REGAINRecover.
REGAINRetrieve.
REGAINSucceed in reaching again.
REGAINGet back to.
REGAINFail at dieting
REGAINRetrieve
REGAINPut back on, as weight
REGAINSuccumb to a yo-yo diet