as in to die
to stop living
the patient was fading fast, and doctors expected him to flatline before the night was over
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Example Sentences
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Recent Examples of flatline
However, forecasts at headline were scaled back — Computershare now expects dividends on this basis to flatline year on year at £90.1 billion dye to the impact of a stronger pound.
—
Royston Wild, Forbes.com, 28 Apr. 2025
Valuations for stocks had risen while earnings flatlined, or worse, were deteriorating.
—Ganesh Rao, CNBC, 24 Apr. 2025
The Timberwolves went into a do-or-die game and were flatlining before the first quarter was halfway over.
—Jon Krawczynski, New York Times, 29 May 2025
While her peers blew in white-hot, cooled to red-hot, then fizzled, flatlined, and peeled off into God knows where, Nicole Kidman just kept accelerating forward.
—Danielle Pergament, Allure, 22 May 2025
See All Example Sentences for flatline
Royston Wild, Forbes.com, 28 Apr. 2025
Valuations for stocks had risen while earnings flatlined, or worse, were deteriorating.
—Ganesh Rao, CNBC, 24 Apr. 2025
The Timberwolves went into a do-or-die game and were flatlining before the first quarter was halfway over.
—Jon Krawczynski, New York Times, 29 May 2025
While her peers blew in white-hot, cooled to red-hot, then fizzled, flatlined, and peeled off into God knows where, Nicole Kidman just kept accelerating forward.
—Danielle Pergament, Allure, 22 May 2025
See All Example Sentences for flatline
Recent Examples of Synonyms for flatline
Verb
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Missing, however, was the museum’s founder Joseph Randall Shapiro, who died just days earlier at the age of 91. 2011: Ferocious winds spawned tornadoes that hit Downers Grove and Mount Prospect, but warning sirens in the communities remained silent.—
Kori Rumore,
Chicago Tribune,
21 June 2025
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If your team is afraid to disagree, if failure is punished, if new ideas die in PowerPoint—your culture needs rewiring.—
Bill Fischer,
Forbes.com,
21 June 2025
Verb
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In the footage, the wooden wall can be seen falling forward with a thud, while two vertical cables hang behind, apparently slack.—
Jake Kanter,
Deadline,
27 June 2025
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However, that strategy could fall flat if Cuomo keeps his campaign alive.—
Emily Hallas,
The Washington Examiner,
27 June 2025
Verb
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Jacqueline Kennedy Onassis was a summer visitor, as was her late son John F. Kennedy Jr., who perished in a plane crash off the coast with his wife Carolyn Bessette and sister-in-law Lauren in 1999.—
Rosemary Feitelberg,
Footwear News,
27 June 2025
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Hundreds of Israeli civilians were injured in Iranian attacks, many homes were destroyed, and a few dozen civilians were killed, including five who perished in an Iranian attack on Beersheba minutes before the cease-fire took effect.—
Arash Azizi,
The Atlantic,
25 June 2025
Cite this Entry
“Flatline.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/flatline. Accessed 4 Jul. 2025.
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