untag

un- +‎ tag

untag (third-person singular simple present untags, present participle untagging, simple past and past participle untagged)

1. (transitive) To remove a tag from.
   • 2009 August 9, Allen Salkin, “Party On, but No Tweets”, in New York Times‎:

     In an era, when a stray gripe about your boss can land you on an industry blog, when waking up hung over can frantically send you to Facebook to untag your name from photos of the previous night’s frosting-wrestling contest, when shots of you in unflattering jeans become part of your permanent Google search results, there are signs that some are tired of living their lives on the Web.

• tag

• Gaunt, Tunga, gaunt