fill-in

1 of 2

noun

: someone or something that fills in

fill in

2 of 2

verb

filled in; filling in; fills in

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

Examples of fill-in in a Sentence

Noun I'm just a fill-in, so I have no idea where office supplies are kept 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
Noun
Yet, Paul Duffy was an excellent fill-in on bass and vocals at the Warfield. Jim Harrington, The Mercury News, 22 Sep. 2024 The fill-in turned out to be the clairvoyant’s former classmate. J. Kim Murphy, Variety, 4 Sep. 2024
Verb
That's your job as an artist [to fill in the gaps]. Samantha Stutsman, Peoplemag, 19 Sep. 2024 The new large mode simply eliminates the app name text below each icon and expands the icons to fill in the newly available space. Samuel Axon, Ars Technica, 18 Sep. 2024 See all Example Sentences for fill-in 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'fill-in.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

Noun

1917, in the meaning defined above

Verb

1840, in the meaning defined at transitive sense 1

Time Traveler
The first known use of fill-in was in 1840

Dictionary Entries Near fill-in

Cite this Entry

“Fill-in.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fill-in. Accessed 29 Sep. 2024.

Kids Definition

fill in

verb
1
: to furnish with specified information
fill in an application
filled us in on the latest news
2
: to fill a vacancy usually temporarily : substitute
filled in during the emergency
Last Updated: - Updated example sentences
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