0 the practice of refusing someone an opportunity to make their ideas or beliefs known publicly, because you think these beliefs are dangerous or unacceptable:
No-platforming is used because of a desire to protect others from hate speech and intimidation.
The minister argued that no-platforming was a threat to free speech.
He believes there is too much no-platforming and not enough rigorous debate.
She has had several invitations to speak withdrawn as a result of no-platforming.