drive a wedge between someone and someone

drive a wedge between someone and someone

COMMON If someone or something drives a wedge between people who are close, they cause bad feelings between them and this causes the relationship to fail. This was all part of his plan to separate me from my daughter and drive a wedge between us. His aim was to destabilize the country by driving a wedge between the people and their government.
See also: and, drive, wedge