WordWeb Online

1. Blocking or banning a user or group from a service or online platform due to their use of hate speech (or violating the platform's terms of service, etc.)
   - no-platforming
    
2. Political activism with the goal of excluding or shutting down offensive or controversial speakers or speech
   - no-platforming

1. Block someone's ability to contribute post a debate or (esp. online) platform, e.g. because of use of hate speech, inciting violence, violation of terms of service, etc.

Encyclopedia: Deplatforming