Censorship

noun printed or visual material containing the explicit description or display of sexual organs or activity, intended to stimulate erotic rather than aesthetic or emotional feelings

• The distribution of pornography is strictly prohibited in many countries.
• I heard that he got caught watching pornography at work.
• I can't believe she's into that kind of pornography.
• The rise of social media has made self-promotion the new pornography of our generation.

noun the practice of preventing someone from speaking or participating in public events or debates, typically due to their controversial or offensive views

• The university decided to implement a policy on no-platforming controversial speakers.
• I heard they're no-platforming that speaker at the event next week.
• They're really cracking down on no-platforming at the school.
• Some believe that no-platforming goes against the principles of free speech.