as in substitute
a person or thing that takes the place of another
I'm just a fill-in, so I have no idea where office supplies are kept
Synonyms & Similar Words
Relevance
1
as in to inform
to give information to
my friend quickly filled me in on the portion of the movie that I had missed
Synonyms & Similar Words
Antonyms & Near Antonyms
2
as in to substitute
to serve as a replacement usually for a time only
she's only filling in while the regular secretary is on vacation
Synonyms & Similar Words
Example Sentences
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Recent Examples of fill-in
Chantz Martin, FOXNews.com, 1 Feb. 2026
For now, Sturm will ask more of his fill-in centers.
—Fluto Shinzawa, New York Times, 31 Jan. 2026
Rashad Alexander, Kansas City Star, 19 Feb. 2026
SeaWorld Orlando has added five new concert dates to its Seven Seas Food Festival, filling in the previous TBAs with Elvis Crespo, Jesse McCartney, Molly Hatchet, Rend Collective and Great White & Slaughter.
—Dewayne Bevil, The Orlando Sentinel, 18 Feb. 2026
See All Example Sentences for fill-in
Noun
Kelce pulled out of the Pro Bowl and Buffalo Bills was announced as the fill-in.
—Chantz Martin, FOXNews.com, 1 Feb. 2026
For now, Sturm will ask more of his fill-in centers.
—Fluto Shinzawa, New York Times, 31 Jan. 2026
Verb
Church previously filled in last-minute for Country Stampede at Azura Amphitheater in summer 2025.
—Rashad Alexander, Kansas City Star, 19 Feb. 2026
SeaWorld Orlando has added five new concert dates to its Seven Seas Food Festival, filling in the previous TBAs with Elvis Crespo, Jesse McCartney, Molly Hatchet, Rend Collective and Great White & Slaughter.
—Dewayne Bevil, The Orlando Sentinel, 18 Feb. 2026
See All Example Sentences for fill-in
Recent Examples of Synonyms for fill-in
Noun
-
Wolfsburg substitute Mattias Svanberg restored his team’s lead eight minutes later, but Gruda replied in the 89th to salvage a point for Leipzig after its German Cup exit to Bayern Munich.—
ABC News,
ABC News,
15 Feb. 2026
-
Salmon had already appeared for Arsenal as a substitute in the previous round against Portsmouth, as well as in Champions League win away to Club Brugge.—
James McNicholas,
New York Times,
15 Feb. 2026
Verb
-
Prioritize your safety by staying informed and prepared.—
Southern California Weather Report,
Daily News,
18 Feb. 2026
-
The Declaration mandates no particular American foreign policy, but the values the document embodies have always informed it, even as American statesmen have struggled to reconcile the country’s many mundane interests with the principles that gave it birth.—
Eliot A. Cohen,
The Atlantic,
17 Feb. 2026
Verb
-
Duvall has a supporting role in the movie as Mason Hawk, who is a stand in for the various donors that supported the Masonic Home.—
Brayden Garcia,
Fort Worth Star-Telegram,
17 Feb. 2026
-
The office also is important because all Illinois residents must deal with it (or stand in line it) at one point or another, so efficient service is paramount.—
The Editorial Board,
Chicago Tribune,
17 Feb. 2026
Noun
-
After the Maduro regime barred Machado, both academic Corina Yoris and former presidential candidate Manuel Rosales were considered as possible replacements.—
Alessandra Freitas,
CNN Money,
15 Feb. 2026
-
Bryan Griffin, the founder of Patriot Maids Cleaning Services, agrees and says regular replacement will help prevent the spread of germs and maintain better kitchen hygiene.—
Jane Kim,
The Spruce,
15 Feb. 2026
Verb
-
But one person familiar with the decisions told Semafor that at least one executive from a company described by the survey had reached out to multiple outlets asking for the pieces to be taken down, arguing that the survey data was faulty and biased.—
Max Tani,
semafor.com,
16 Feb. 2026
-
Both countries will be having their second round of talks on Tuesday in Geneva, Tehran’s Deputy Foreign Minister Majid Takht-Ravanchi told the BBC, adding that the Iran is ready to discuss restricting its nuclear program for lighter sanctions and economic benefits for both sides.—
Yeo Boon Ping,
CNBC,
16 Feb. 2026
Verb
-
The demolition of La Brea Bakery forced the closure of the temporary Earl of Sandwich restaurant that had taken over the location during construction of a new permanent Earl of Sandwich location on the west end of Downtown Disney.—
Brady MacDonald,
Oc Register,
16 Feb. 2026
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Since taking over two months ago, Pohlad has flown to both coasts to meet with two of the team’s star players, parted ways with president of business and baseball operations Derek Falvey, phoned disgruntled former season-ticket holders and made a run at a top free agent starter, among other things.—
Betsy Helfand,
Twin Cities,
16 Feb. 2026
Noun
-
Fixing those backups is expensive, and sometimes clogging can cause sewage overflows into streets, yards, rivers and lakes.—
Julia James,
Dallas Morning News,
19 Feb. 2026
-
The idea of bringing in Dalton as a mentor and backup to Young was sound, but appears to have run its course.—
Joseph Person,
New York Times,
19 Feb. 2026
Verb
-
Still, the Department of War, formerly known as the Department of Defense, advises that most UAP sightings can actually be identified as planes, balloons, drones and weather events.—
Kate Perez,
USA Today,
16 Feb. 2026
-
Hunters and birdwatchers are advised to wear gloves when handling birds or feeders, to wash hands thoroughly after any contact, and to not eating birds that appear sick or birds that are found dead.—
Bryan Hendricks,
Arkansas Online,
15 Feb. 2026
Cite this Entry
“Fill-in.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/fill-in. Accessed 21 Feb. 2026.
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