Unfriendnoun
One who is not a friend; an enemy.
Unfriendverb
(rare) To sever as friends.
Unfriendverb
(Internet) To defriend; to remove from one's friends list (e.g. on a social networking website).
Unfriendnoun
One not a friend; an enemy.
Unfriendverb
remove (someone) from a list of friends or contacts on a social networking website
Defriendverb
(Internet) To remove from one's list of friends (e.g. on a social networking website).
Defriendverb
another term for unfriend