a protest in which employees stop working but remain in their workplace as a way of insisting that their demands be met;
e.g. We planned a sit-in to protest against the management's discrimination.
(noun)
a form of organized protest in which protesters sit on the floor or in seats in an establishment and refuse to leave until their demands are heard and/or met;
e.g. They held a sit-in outside the politician's office until he agreed to listen to their complaints.
(noun)
an organized protest against racial discrimination in which protesters sit in seats at racially-segregated establishments;
e.g. The planning of the sit-in was conducted in secret.