The term UNFRIEND is a verb which means to remove someone from a list of friends on a social media platform. The crossword solutions for this term are FOE (3 letters) and DROP (4 letters). FOE is a noun which means an enemy or someone who is disliked. DROP is a verb which means to remove or discard something. Therefore, the crossword solutions for UNFRIEND can be interpreted as removing an enemy or someone disliked from a list of friends, or discarding someone from a list of friends.