\ ˈfil-ˌin \

Definition of fill-in

 (Entry 1 of 2)

: someone or something that fills in

fill 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


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

For skulls: Outline each cookie with thicker icing, then fill in with flooding icing and let dry slightly. Woman's Day Kitchen, Woman's Day, "Cookie Skulls and Pumpkin Sugar Cookie Cutouts," 2 Oct. 2018 Another woman, Dory (Tate Hanyok) fills in for Catherine on this memorial round. Mitchel Benson, sacbee, "‘Ladies Foursome’ maintains remarkable chemistry in return to B Street Theatre," 10 July 2018 Leslie Miller, a Google policy director based in California, is filling in on an interim basis. Naomi Nix,, "Microsoft Lobbyist Leaving for Role at Google, Sources Say," 10 May 2018 Last year, James Davison filled in for DCR star Sebastien Bourdais after the four-time CART series champion crashed during the first day of qualifying and suffered a fractured hip, among other injuries. Jim Ayello, USA TODAY Sports, "Dale Coyne looking for Indy replacement after Pietro Fittipaldi’s crash," 5 May 2018 While recovering from the first injury, Ogwumike filled in on His and Hers, which featured Michael Smith and Jemele Hill at the time, and First Take., "EXCLUSIVE: WNBA Star Chiney Ogwumike Signs Multi-Year Agreement With ESPN To Become Regular Analyst," 1 May 2018 On Thursday morning, during his stream-of-consciousness rant on Fox & Friends, Trump filled in some missing details about the meeting. Adam K. Raymond, Daily Intelligencer, "White House Releases Photos of Mike Pompeo’s Meeting With Kim Jong Un," 26 Apr. 2018 Drisko would also fill in for an ill athlete in the 4x400 relay for her fourth race of the day. Dan Brown, Ramona Sentinel, "Jack Clough sets Ramona record in the 1500," 19 Mar. 2018 The federal district judge, a patient woman named Julie Robinson, is completely fed up with having to preside over a trial while filling in the gaps in Kobach’s legal education, as this story from The Kansas City Star explains. Charles P. Pierce, Esquire, "The 'Voter Fraud' Myth Is Just Embarrassing at This Point," 14 Mar. 2018

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

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Time Traveler for fill-in

The first known use of fill-in was in 1840

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More Definitions for fill-in



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

Rhyming Dictionary: Words that rhyme with fill-in

Thesaurus: All synonyms and antonyms for fill-in

Comments on fill-in

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