Definition of sit in in English:

sit in

phrasal verb

  • 1(of a group of people) occupy a place as a form of protest.

    ‘students have been sitting in on and off this week’
    • ‘We had been condemning segregation verbally for a long time, but we had lent ourselves to it by not sitting in.’
    • ‘The next morning Jesse Jackson would come and compare us to young folks sitting in for civil rights for black citizens during his youth.’
    • ‘Just as we were ready to enter Allen's office to sit-in we learned that he had decided to vote against any more funding for the occupation.’
  • 2Attend a meeting or discussion without taking an active part in it.

    ‘I sat in on a training session for therapists’
    • ‘The minister then sweeps in and proceeds to sit in on each table's discussion.’
    • ‘The visiting teachers sat in on lessons and had the chance to talk to both teachers and pupils.’
    • ‘Judge Morris allowed the McBrearty family to sit in for two issues that arose in relation to them from Mr Jennings.’
    • ‘Three years ago Camalyn had gone into work with her mother and sat in on one of the anger management classes.’
    • ‘The school was also ranked third in the country when inspectors sat in on lessons.’
    • ‘The deal was that I'd sit in for three classes and then he could decide if I added value or not.’
    • ‘Members of the public are always most welcome to sit in on our monthly trust board meetings.’
    • ‘Because what are they hiding, if they don't want you to sit in on the meetings?’
    attend, be present at, be an observer at, observe, watch
    View synonyms