Answer: devolved

AnswerCrossword Clue
DEVOLVEDGrew worse
devolvedDEVOLVE, to transfer from one person to another
devolved(of duties or responsibility) Pass to (a body or person at a lower level)
devolvedTransfer or delegate (power) to a lower level, esp. from central government to local or regional administration
devolvedDegenerate or be split into