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
show current usage.
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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
-
Station reserves the right to substitute prize of comparable value.—
CBS LA Staff,
CBS News,
24 Feb. 2026
-
The city called in more than 5,000 substitutes Philadelphia switched to online learning Monday and Tuesday, while districts on Long Island and elsewhere in the New York suburbs canceled school again Tuesday.—
Jake Offenhartz,
Los Angeles Times,
24 Feb. 2026
Verb
-
Families said they were not informed of the cadets’ whereabouts for months and only learned details after filing formal requests with government offices earlier this year.—
Antonio María Delgado,
Miami Herald,
24 Feb. 2026
-
To account for increasing interest in the prospect of a new community center, a club at Los Gatos High School was formed to help inform and mobilize their peers and help with the foundation’s surveying efforts and workshops.—
Nollyanne Delacruz,
Mercury News,
24 Feb. 2026
Verb
-
Melton said the decaying structures impact children walking to school, bring down property values and stand in the way of progress.—
Carole Carlson,
Chicago Tribune,
24 Feb. 2026
-
Being photographed, standing in front of crowds — aspects of the job that once rattled him — feel somehow easier now.—
Seija Rankin,
HollywoodReporter,
24 Feb. 2026
Noun
-
Approximately $70 million in replacement benefits have already been issued related to EBT losses.—
J.B. Jennings,
Baltimore Sun,
22 Feb. 2026
-
The regular maintenance is more complex and includes oil changes, blade sharpening, and filter replacements.—
Nadia Hassani,
The Spruce,
22 Feb. 2026
Verb
-
Manuelito is worried that Chee will flip out if Leaphorn doesn't soon tell him his plans to exit the Navajo Tribal Police and put her in charge.—
Jordan Hoffman,
Entertainment Weekly,
23 Feb. 2026
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But a resort spokesperson told South Tahoe Now that one incident involved the death of a 33-year-old man while skiing on an intermediate trail, and another was a medical emergency involving a 58-year-old man.—
Howard Blume,
Los Angeles Times,
23 Feb. 2026
Verb
-
Another calls for the State Department to take over a portal that tracks foreign gifts to universities.—
Annie Ma,
Los Angeles Times,
24 Feb. 2026
-
Don’t Multitask Multitasking puts your brain into overdrive (and is bad for cognitive health), so making a conscious effort to do one task at a time can prevent the stress response from taking over.—
Helen Carefoot,
Flow Space,
23 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
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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
-
While conditions remain dangerous, experts advise reading the avalanche forecast, skiing with local expert guides and choosing shallower slopes to ski off-piste.—
Issy Ronald,
CNN Money,
22 Feb. 2026
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Athletes seeking their new professional passion upon retirement should be looking out for a good energy match, the champion rower advises.—
Emma Burleigh,
Fortune,
22 Feb. 2026
Cite this Entry
“Fill-in.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/fill-in. Accessed 26 Feb. 2026.
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