Distant
/ˈdɪstənt/
adjective
Far off (physically, logically or mentally).
“We heard a distant rumbling but didn't pay any more attention to it. She was surprised to find that her fiancé was a distant relative of hers. His distant look showed that he was not listening to me.”
Emotionally unresponsive or unwilling to express genuine feelings.
“Ever since our argument, she has been totally distant toward me.”