as in dies
to stop living
the patient was fading fast, and doctors expected him to flatline before the night was over
Synonyms & Similar Words
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Antonyms & Near Antonyms
Example Sentences
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Recent Examples of flatlines
Leaders become the bottleneck, the team defaults to the law of least effort, and performance flatlines.
—
Expert Panel®,
Forbes.com,
28 May 2026
However, in practice, the drama of this World War II spy saga seldom lives up to the filmmaker’s lofty aesthetic goals, resulting in a tale of torture and human fragility that flatlines long before its central martyr.
—
Siddhant Adlakha,
Variety,
17 May 2026
Take women out of the equation, and middle-class income essentially flatlines for four decades.
—
Katica Roy,
Fortune,
21 Apr. 2026
Every time the plot hits the reset button, the tension flatlines.
—
Justin Chang,
New Yorker,
14 Oct. 2025
Expert Panel®,
Forbes.com,
28 May 2026
However, in practice, the drama of this World War II spy saga seldom lives up to the filmmaker’s lofty aesthetic goals, resulting in a tale of torture and human fragility that flatlines long before its central martyr.
—
Siddhant Adlakha,
Variety,
17 May 2026
Take women out of the equation, and middle-class income essentially flatlines for four decades.
—
Katica Roy,
Fortune,
21 Apr. 2026
Every time the plot hits the reset button, the tension flatlines.
—
Justin Chang,
New Yorker,
14 Oct. 2025
Recent Examples of Synonyms for flatlines
Verb
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In cases where a father kills his children and then dies by suicide, Salinas said the violence is rarely random or spontaneous.
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Romanch Mahajan dies in horse carriage accident The ride suspension comes after Romanch Mahajan, an 18-year-old tourist visiting New York City from India, was thrown from a carriage and killed Wednesday.
Verb
-
Otherwise, falls, trampling, injuries and deaths could occur.
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Leah Lewis stars as introverted Ellie, who falls for popular girl Aster (Alexxis Lemire) while writing love letters to her on behalf of a male friend.
Verb
-
Every soldier Harry would have saved on a transport during the war perishes too.
-
Factory ships deplete fisheries in a matter of years and an inordinate amount of sea life also perishes in their nets.
Verb
-
If someone succumbs to the heat, promptly relocate them to a cool, shaded location.
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In season 3's closing stretch, Rue Bennett (Zendaya) succumbs to an accidental fentanyl overdose.
Cite this Entry
“Flatlines.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/flatlines. Accessed 28 Jun. 2026.
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