Simple Definition of sit–in
: a strike or protest in which people sit or stay in a place and refuse to leave until they are given what they demand
Full Definition of sit–in
1 : sit-down 1
2a : an act of occupying seats in a racially segregated establishment in organized protest against discriminationb : an act of sitting in the seats or on the floor of an establishment as a means of organized protest
First Known Use of sit–in
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