turn your back on something

turn your back on something

COMMON If you turn your back on something, you reject it or stop being involved in it. He had turned his back on his Communist past and formed a completely new party. The organisation says that young people are increasingly turning their backs on marriage.
See also: back, on, something, turn

turn your ˈback on somebody/something

refuse to help or support somebody who needs it: She turned her back on her family when she became famous.
See also: back, on, somebody, something, turn