sit in

phrasal verb·1 sense·particle in

Meanings

1

Attend a meeting as an observer

Inclusionuncommon

Why “in”? You step inside the circle. To be in is to belong or take part.

May I sit in on your class?
May I attend your class as a silent observer?
A trainee sat in on the interview.
A trainee attended the interview as an observer.

Don't confuse with

sit insit out

Sit in means attend a meeting as an observer. Sit out means decide not to take part in an activity.

Test yourself

May I sit in on your class? What does it mean?

Nearby in the meaning map

Sink In connects verbs by particle pattern, contrast pairs, and shared base verbs.

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