sit in

verb

To attend a class, educational presentation, meeting, etc. for one time, as a visitor.

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Meanings

verbsit in (third-person singular simple present sits in, present participle sitting in, simple past and past participle sat in)

present singular third person sits in · participle present sitting in · participle past sat in · past sat in

  1. idiomaticTo attend a class, educational presentation, meeting, etc. for one time, as a visitor.
  2. entertainmentTo take part in a group musical performance, especially a jazz session, as a temporary guest.
  3. To participate in a sit-in protest.

    Over 200 homeless women and children sat-in over night at the state house to protest inadequate state funding for Aid to Families with Dependent Children (AFDC).

    1987 April 4, Kim Westheimer, “Homeless Women & Children Sit-In”, in Gay Community News, page 4

Synonyms & antonyms

Also see
listen in

Translations

Finnish vierailla
  • vieraillato attend for one time
German hospitieren
  • hospitierento attend for one time
Cite this entry
APA

sit in. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/sit%20in

MLA

“sit in.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/sit%20in. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “sit in,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/sit%20in.

Source: sit in on Wiktionary, CC BY-SA 4.0.