turn back on
Also found in: Dictionary, Thesaurus, Medical, Legal, Encyclopedia.
turn your back on somebody/something
to refuse to help or be involved How can we turn our backs on people who have no homes, no jobs, no hope?
turn your back on somebody
to refuse to help someone These people are appealing to our government to help them. We can't just turn our backs on them.
turn your back on something
to stop being involved in something Spain cannot afford to turn its back on tourism.