filled in; filling in; fills in
1
: to enrich (something, such as a design) with detail
2
: to give necessary or recently acquired information to
I'll fill you in
: 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
Sam McDowell, Kansas City Star, 4 June 2025
Tuesday's Live moment recalled a 2023 instance on the show where fill-in cohost Anderson Cooper was compared to pets live on the air, with the program offering up side-by-side shots of the CNN journalist and a small dog named — no joke — Cooper Anderson.
—Joey Nolfi Published, EW.com, 3 June 2025
Skyler Trepel, EW.com, 13 June 2025
Read More: How the Triassic Extinction Helped Dinosaurs Take Over the Planet
Tracking Fossil Evolution with the TARDIS
Because there were gaps in the archosauromorph fossil records, the research team had to think of a clever solution to fill in those gaps.
—Monica Cull, Discover Magazine, 11 June 2025
See All Example Sentences for fill-in
Examples are automatically compiled from online sources to
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Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
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Noun
Cameron has started four games with the Royals, initially as an injury fill-in for Seth Lugo and Cole Ragans.
—Sam McDowell, Kansas City Star, 4 June 2025
Tuesday's Live moment recalled a 2023 instance on the show where fill-in cohost Anderson Cooper was compared to pets live on the air, with the program offering up side-by-side shots of the CNN journalist and a small dog named — no joke — Cooper Anderson.
—Joey Nolfi Published, EW.com, 3 June 2025
Verb
Where to watch How to Train Your Dragon: In theaters
03 of 06
DreamWorks Dragons (2012–2018)
The DreamWorks Dragons series helps fill in the five-year gap between the first two big-screen features.
—Skyler Trepel, EW.com, 13 June 2025
Read More: How the Triassic Extinction Helped Dinosaurs Take Over the Planet
Tracking Fossil Evolution with the TARDIS
Because there were gaps in the archosauromorph fossil records, the research team had to think of a clever solution to fill in those gaps.
—Monica Cull, Discover Magazine, 11 June 2025
See All Example Sentences for fill-in
Cite this Entry
“Fill-in.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fill-in. Accessed 18 Jun. 2025.
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