turn your back on somebody/something

turn (one's) back on (someone or something)

To ignore, disregard, or exclude someone or something; to abandon, give up on, or forsake someone or something. It's clear that the company has turned its back on customers. After becoming a successful writer, Jim turned his back on all the people he used to know back home.
See also: back, on, turn
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

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
Collins COBUILD Idioms Dictionary, 3rd ed. © HarperCollins Publishers 2012

turn your back on

1 ignore (someone) by turning away from them. 2 reject or abandon (a person or thing that you were previously involved with).
See also: back, on, turn
Farlex Partner Idioms Dictionary © Farlex 2017

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
Farlex Partner Idioms Dictionary © Farlex 2017
See also: