What is Undisownable?
1.
This means that a friend cannot stop being your friend, since when you are a friend you are "owned" this simply states the quality that you and your friend will be friends forever.
Linz tried to disown Rob as a friend because he did something stupid, but Rob was undisownable.
See
2.
unable to be not owned (as friends or other sorts of acquaintances)
Linz couldn't get rid her friend Rob because he was undisownable.
See
3.
This means that a friend cannot stop being your friend, since when you are a friend you are "owned" this simply states the quality that you and your friend will be friends forever.
Linz tried to disown Rob as a friend because he did something stupid, but Rob was undisownable.
See