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
Examples are automatically compiled from online sources to
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Recent Examples of fill-in
EW.com, 7 Aug. 2025
Friday night, his fill-in, John Stamos, who had flown over from Spain, took the role anyway for a single night.
—Chris Willman, Variety, 4 Aug. 2025
Robin Miller, AZCentral.com, 5 Sep. 2025
Laura Okafor, founder and chief executive of Perry, says Perry Academy was created to fill in longstanding gaps in knowledge.
—Helen Carefoot, Flow Space, 4 Sep. 2025
See All Example Sentences for fill-in
Noun
In the absence of his wife and regular cohost Kelly Ripa, the actor kicked off Thursday's Live edition by telling fill-in panelist Elle Duncan that he's severely bothered when, upon meeting a strapping fellow, the illusion of male bonding is shattered if their first handshake falls apart.
—EW.com, 7 Aug. 2025
Friday night, his fill-in, John Stamos, who had flown over from Spain, took the role anyway for a single night.
—Chris Willman, Variety, 4 Aug. 2025
Verb
If necessary, use some of the leftover phyllo to fill in any gaps.
—Robin Miller, AZCentral.com, 5 Sep. 2025
Laura Okafor, founder and chief executive of Perry, says Perry Academy was created to fill in longstanding gaps in knowledge.
—Helen Carefoot, Flow Space, 4 Sep. 2025
See All Example Sentences for fill-in
Recent Examples of Synonyms for fill-in
Noun
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So flavorful is Mendel that 3BR often uses it as a substitute for gin in cocktails made in the distillery tasting room.—
Don Tse,
Forbes.com,
6 Sep. 2025
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Material World is a weekly roundup of innovations and ideas within the materials sector, covering news from emerging biomaterials and alternative leathers to sustainable substitutes and future-proof fibers.—
Alexandra Harrell,
Sourcing Journal,
4 Sep. 2025
Verb
-
But maybe you guys should've informed your employees to inform your guests in person or made an announcement in person before posting it on social media.—
Megan Cartwright,
MSNBC Newsweek,
4 Sep. 2025
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Wu hasn’t worked with his source material in a literal way; rather, Rauschenberg’s collages have informed his approach to the collection, which is built around classic American style.—
Vogue Runway,
Vogue,
4 Sep. 2025
Verb
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As a result, the competition says Google was able to charge higher fees for its service, standing in the way of fair competition since at least 2014.—
Ryan Whitwam,
ArsTechnica,
5 Sep. 2025
-
Around her, a crowd of some 30 people stood in silence.—
Tess Kenny,
Chicago Tribune,
5 Sep. 2025
Noun
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But the manager did bring Crow-Armstrong into the game as a defensive replacement in the top of the ninth inning.—
Meghan Montemurro,
Chicago Tribune,
3 Sep. 2025
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This is a possible replacement for GPS, or the Global Positioning System, which recent events have shown is dangerously hackable and jammable.—
John Koetsier,
Forbes.com,
2 Sep. 2025
Verb
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The cause of the accident was not immediately known, although the car appeared to have derailed, which a source from the Lisbon Firefighters Regiment told local media may have been caused by a loose cable leading to brake failure.—
Miranda Jeyaretnam,
Time,
4 Sep. 2025
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Figma added four new AI-native tools to its platform this quarter and told investors on the call to expect significant investments in AI going forward.—
Allie Garfinkle,
Fortune,
4 Sep. 2025
Verb
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At Gramps Getaway on Key Biscayne, management added nine fans this year and the staff is under marching orders to keep water glasses full at the popular outdoor bar, even as moonlight takes over.—
Ashley Miznazi,
Miami Herald,
5 Sep. 2025
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At the time of Thursday’s delay, the Eagles had taken over possession after recovering a Miles Sanders fumble as the Cowboys were in the red zone looking to regain the lead.—
Saad Yousuf,
New York Times,
5 Sep. 2025
Noun
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Photograph and cloud-backup your insurance documents and IDs.—
Jennifer Jolly,
USA Today,
4 Sep. 2025
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However, Dart will begin the year as his backup over Jameis Winston.—
Kevin McCormick,
MSNBC Newsweek,
3 Sep. 2025
Verb
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Skinner advises travelers to try their best to remain calm and engage with the person as little as possible.—
Toria Sheffield,
PEOPLE,
7 Sep. 2025
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Velasco advised a student with a talent for poetry to apply for the Oskar Knoblauch Holocaust Impact Video Contest using one of his poems.—
Erick Trevino,
AZCentral.com,
7 Sep. 2025
Cite this Entry
“Fill-in.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/fill-in. Accessed 9 Sep. 2025.
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