estranged

adjective

es·​tranged i-ˈstrānjd 

: having lost former closeness and affection : in a state of alienation from a previous close or familial relationship

her estranged husband [=her husband with whom she no longer lives]

Social workers may try to resolve conflicts between estranged siblings.

Jonathan D. Rockoff

He had taken out a life insurance policy on his estranged wife just weeks before her murder …

David Fisher

… it's kind of shameful to admit your idea of unwinding in front of the TV is watching somebody's entire family get murdered by their greedy, estranged uncle.

Lauren Zupkus

Word History

First Known Use

1538, in the meaning defined above