to temporarily do someone else's role or job
to do someone else's job for a short time
One main meaning — here's how to use it.
to take someone's place for a short time in a job, performance, or activity
"Can you sit in for me at the meeting tomorrow morning?"
Guest hosts will sit in for the presenter during her summer break.
— Broadcast scheduling language; exact source not recalled
to sit in place of someone
to do someone else's job for a short time
Common in media, music, and work situations, though 'fill in for' is often more frequent in everyday English.
Natural word combinations native speakers use most often.
The five tense forms you'll use most often.
Listen to native speakers using "sit in for" in real YouTube videos — click a clip to watch it on Looplines.
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