Definition of sit in for in US English:

sit in for

phrasal verb

  • Temporarily carry out the duties of (another person).

    • ‘Mr. Baylos, of course, was ecstatic to find that not only had he finally been booked for the Carson show but that he'd be sitting in for Johnny.’
    • ‘I'm Jim Clancy, sitting in for Tumi Makgabo this week.’
    • ‘Her TV plans also include sitting in for Richard and Judy on their tea-time chat show during their holiday later this month.’
    • ‘I'm Greta Van Susteren, sitting in for Larry, who has the night off.’
    • ‘I popped into the management offices of the radio station that has (in a moment of barking madness) asked me to sit in for two weeks over Easter on the ‘drivetime’ slot.’
    • ‘I'm Roger Cossack sitting in for Larry tonight.’
    • ‘To thank Laurence for sitting in for me tonight, I made a song for him.’
    • ‘Tonight, Leeza Gibbons is sitting in for Larry King.’
    • ‘I'm Kathie Lee Gifford sitting in for Larry King tonight.’
    • ‘Zak Starkey, son of Beatle Ringo Starr, deputises for the late Keith Moon and Pino Palladino sits in for the recently departed bassist John Entwhistle.’
    stand in for, fill in for, take the place of, cover for, substitute for, be a substitute for, act as stand-in for, deputize for
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