sit-in

noun \ ˈsit-ˌin \

Definition of sit-in

1 :sit-down 1
2 a :an act of occupying seats in a racially segregated establishment in organized protest against discrimination
b :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

1937


sit in

verb

Definition of sit in

intransitive verb
1 :to take part in or be present at a session of music or discussion as a visitor often used with on
  • invited to sit in on a rehearsal
2 :to participate in a sit-in

First Known Use of sit in

1868


SIT-IN Defined for English Language Learners

sit-in

noun

Definition of sit-in for English Language Learners

  • : a strike or protest in which people sit or stay in a place and refuse to leave until they are given what they demand


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