\ ˈfil-ˌin How to pronounce fill-in (audio) \

Definition of fill-in

 (Entry 1 of 2)

: someone or something that fills in

fill in

filled in; filling in; fills in

Definition of fill in (Entry 2 of 2)

transitive verb

1 : to enrich (something, such as a design) with detail
2 : to give necessary or recently acquired information to I'll fill you in

intransitive verb

: to fill a vacancy usually temporarily interns filled in for regular staffers

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Examples of fill-in in a Sentence

Verb my friend quickly filled me in on the portion of the movie that I had missed she's only filling in while the regular secretary is on vacation
Recent Examples on the Web: Verb New Orleans also failed to score a TD in a 12-10 victory over Dallas in Week 4 with Teddy Bridgewater filling in at quarterback. oregonlive, "Atlanta Falcons shock the New Orleans Saints: Recap, score, stats and more," 10 Nov. 2019 Cardinals right tackle Justin Murray (knee) did not practice Wednesday, meaning Justin Pugh could start a second consecutive game at the position, with Mason Cole filling in at left guard. Katherine Fitzgerald, azcentral, "Arizona Cardinals RB David Johnson says he will 'definitely' play," 6 Nov. 2019 Before the chocolate cools, place a piece of filling in each section. Daniel Wolfe, Quartzy, "Here’s what to do with your leftover candy corn," 30 Oct. 2019 Those plans include having workers at each poll trying to coach voters on how to properly fill in a write-in ballot. Alan Suderman, San Diego Union-Tribune, "Balance of power in Virginia may rest on write-in campaign," 19 Oct. 2019 Probably not from a performance perspective, given that Kane has five goals and an assist in Spurs' opening eight Premier League outings, but in terms of filling in for club captain Hugo Lloris on the pitch., "5 Players Who Must Step Up for Tottenham After the International Break," 13 Oct. 2019 This week was different with Jacob Bernard filling in at quarterback. Adam Coleman, Houston Chronicle, "Friday night highlights: Huntsville’s weird week," 11 Oct. 2019 By filling in one piece of the jigsaw, the book will—like the memoirs of Holocaust survivors—help future readers understand the bigger picture. The Economist, "Two Bosnian authors revisit the horror of the 1990s," 3 Oct. 2019 Pipe a grape-size amount (about 2 tsp) of filling in the middle of each pasta piece. CBS News, "Recipes from pasta master Evan Funke," 28 Sep. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'fill-in.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of fill-in


1917, in the meaning defined above


1840, in the meaning defined at transitive sense 1

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Statistics for fill-in

Time Traveler for fill-in

The first known use of fill-in was in 1840

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More Definitions for fill-in


How to pronounce fill in (audio)

English Language Learners Definition of fill-in

: someone who takes the place of another person who is away for a short time : someone who fills in for someone else

More from Merriam-Webster on fill-in

Thesaurus: All synonyms and antonyms for fill-in

Rhyming Dictionary: Words that rhyme with fill-in

Comments on fill-in

What made you want to look up fill-in? Please tell us where you read or heard it (including the quote, if possible).


to engage in dissolute behavior

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