as in to die
to stop living
the patient was fading fast, and doctors expected him to flatline before the night was over
Synonyms & Similar Words
Relevance
Antonyms & Near Antonyms
Example Sentences
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Recent Examples of flatline
Unlike those of many other developed countries, its emissions are expected to flatline instead of decline.
—
Justin Worland, Time, 18 Dec. 2025
Because of high home prices, historically elevated mortgage rates and other higher housing costs, including property taxes and homeowner insurance premiums, Gen Z and millennial homeownership rates flatlined last year.
—Giulia Carbonaro, MSNBC Newsweek, 3 Dec. 2025
But after growth soared from late 2023 through last year, the business has flatlined, with some analysts saying that Dell has taken market share.
—Ari Levy, CNBC, 4 Nov. 2025
The episode ends with Monty flatlining in the hospital as Cami and their daughters cry for him.
—Randall Colburn, Entertainment Weekly, 4 Nov. 2025
See All Example Sentences for flatline
Justin Worland, Time, 18 Dec. 2025
Because of high home prices, historically elevated mortgage rates and other higher housing costs, including property taxes and homeowner insurance premiums, Gen Z and millennial homeownership rates flatlined last year.
—Giulia Carbonaro, MSNBC Newsweek, 3 Dec. 2025
But after growth soared from late 2023 through last year, the business has flatlined, with some analysts saying that Dell has taken market share.
—Ari Levy, CNBC, 4 Nov. 2025
The episode ends with Monty flatlining in the hospital as Cami and their daughters cry for him.
—Randall Colburn, Entertainment Weekly, 4 Nov. 2025
See All Example Sentences for flatline
Recent Examples of Synonyms for flatline
Verb
-
Giuffre died by suicide last year at age 41.—
Arkansas Online,
Arkansas Online,
31 Jan. 2026
-
Lauryn Hill will perform a tribute to D'Angelo, who died of cancer in October at the age of 51, and Roberta Flack, who died in February at age 88.—
Chelsea Hylton,
CBS News,
31 Jan. 2026
Verb
-
With a light snow falling outside McCamish Pavilion, Henri Veesaar gave North Carolina (17-4, 5-3 ACC) a devastating 1-2 punch on the inside with 20 points and 12 rebounds.—
Arkansas Online,
Arkansas Online,
1 Feb. 2026
-
These cycles, which last about 11 years, mark periods of rising and falling solar activity.—
Rupendra Brahambhatt,
Interesting Engineering,
1 Feb. 2026
Cite this Entry
“Flatline.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/flatline. Accessed 8 Feb. 2026.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
