sit in for

verb

To substitute; to take somebody's place.

“Can you sit in for him while he's gone?”

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Meanings

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

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

  1. idiomaticTo substitute; to take somebody's place.

    Can you sit in for him while he's gone?

Cite this entry
APA

sit in for. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/sit%20in%20for

MLA

“sit in for.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/sit%20in%20for. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “sit in for,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/sit%20in%20for.

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