defriend

de- +‎ friend

• Rhymes: -ɛnd

defriend (third-person singular simple present defriends, present participle defriending, simple past and past participle defriended)

1. (social media, uncommon) To remove from one's list of friends (e.g. on a social networking website).
   • 2005, Schmitt et al, Professional CSS: Cascading Style Sheets for Web Design

     But why subject myself and friends to the awkward social construct of being virtually "defriended" because I want to save some space on a Web page?

   • 2007, Mia Consalvo, Caroline Haythornthwaite, Internet Research Annual: Volume 4:

     Likewise, the actions of friending or defriending someone send out messages of their own.

• unfriend (much more common)

• friend

• friended