no-platform

no-platform (third-person singular simple present no-platforms, present participle no-platforming, simple past and past participle no-platformed)

1. (transitive) To deny (a person or organisation) the ability to speak, publish, etc.
   • 2000, "Cliff Morrison", Irving judgment a political fix? (on newsgroup alt.politics.british)

     Afaics, "no platforming" has always had a tendency to interpret and expand the definitions of what is effectively to be censored, such that (just by coincidence, of course) only the views of those imposing it remain... unopposed....

   • 2012, Tom Winnifrith, Letters from the Chestnut Tree Cafe

     As in the rest of Europe the establishment won't allow the matter to be discussed openly because anyone who believes in limits is a racist so must be no platformed.

   • 2016, Mark Sweney and Jasper Jackson, The Guardian, 18 November:

     Concerns have been raised over attempts to “no platform” speakers with views deemed unacceptable to segments of the student body, as well as attempts to create safe spaces within universities where criticism is discouraged.

• NUS No Platform Policy