unstar

un- +‎ star

unstar (third-person singular simple present unstars, present participle unstarring, simple past and past participle unstarred)

1. (transitive) To remove a star from.
   • 2014, Sandeep Rawat, Getting Started with Review Board

     If you want to unstar the review request, just click on the star icon again.

2. (transitive, UK politics) To demote a question from an oral one to a written one (because oral questions are conventionally marked with a star on the Order of Business in the House of Commons).

• NuSTAR, Nuštar, Rutans, Saturn, arnuts, runs at, santur, saturn, untars