Definition of fill in in English:

fill in

phrasal verb

  • Act as a substitute for someone when they are unable to do their job.

    ‘my producer will have to have someone standing by to fill in for me’
    • ‘With Brooks absent because of a knock, the little-used Frost filled in at left-back.’
    • ‘Marky Ramone fills in on drums and former Black Flag member Dez Cadena slings guitar.’
    • ‘Redd filled in admirably for the injured Ray Allen, posting 21 points.’
    • ‘Some of the members are also part of other groups, sometimes even filling in as extras in the Cleveland Orchestra.’
    • ‘He filled in as a vocalist on a few of their earlier albums, but they've got a new guy for this one.’
    • ‘He even filled in as a coach for his son's soccer team in West Virginia two summers ago.’
    • ‘We note that neither is the Prime Minister present, and nor is the Deputy Prime Minister, who normally fills in for her.’
    • ‘I found someone to fill in for Ellen, and she's doing a great job!’
    • ‘In the absence of first-hand testimony, conjecture fills in.’
    • ‘As Cross's beautiful assistant, Monica Potter fills in for Ashley Judd, who didn't return from the first one.’
    substitute, deputize, stand in, cover, provide cover, take over, act, act as deputy, act as stand-in, sit in, act as understudy, understudy, be a proxy, act as locum tenens
    take the place of
    sub, fill someone's boots, fill someone's shoes, step into someone's boots, step into someone's shoes
    View synonyms