no-platforming
noun /ˌnəʊ ˈplætfɔːmɪŋ/
/ˌnəʊ ˈplætfɔːrmɪŋ/
[uncountable]- the practice of preventing somebody whose views are regarded as unacceptable or offensive from contributing to a public debate or meeting
- The feminist activist has hit out at the no-platforming of controversial speakers at universities.