unfriend
verb(also defriend)
[transitive, intransitive] (informal)- unfriend (somebody)
to remove somebody from a list of friends or contacts on social media （在社交网站上）删除好友 If a Facebook friend suddenly becomes your boss, do you unfriend them? 如果你脸书上的朋友突然成为你的老板，你会将他从好友名单中删除吗？ Young adults are more likely to unfriend. 年轻人更容易删除好友。