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
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
But while exports are booming, wage growth in the two-track economy has flatlined.
—Semafor Events, semafor.com, 24 Apr. 2026
Fisk was left devastated as doctors rushed in, but were unable to save his wife, who flatlined and died.
—Brendan Morrow, USA Today, 15 Apr. 2026
On the whole, Tesla has performed well financially, although its annual revenue growth has flatlined in recent years.
—Mary Cunningham, CBS News, 1 Apr. 2026
See All Example Sentences for flatline
Siddhant Adlakha, Variety, 17 May 2026
But while exports are booming, wage growth in the two-track economy has flatlined.
—Semafor Events, semafor.com, 24 Apr. 2026
Fisk was left devastated as doctors rushed in, but were unable to save his wife, who flatlined and died.
—Brendan Morrow, USA Today, 15 Apr. 2026
On the whole, Tesla has performed well financially, although its annual revenue growth has flatlined in recent years.
—Mary Cunningham, CBS News, 1 Apr. 2026
See All Example Sentences for flatline
Recent Examples of Synonyms for flatline
Verb
-
Mamdani might be a progressive determined not to let his agenda die under a pile of rookie mistakes and fiscal naiveté.—
Andy Shaw,
Chicago Tribune,
21 July 2025
-
All died in the turbulent waters of Lake Michigan while vacationing in South Haven, where public outrage over the lack of lifeguards has been building.—
Tresa Baldas,
Freep.com,
21 July 2025
Verb
-
The Cougars fell 34-7 to the Red Raiders in their championship game, a slightly larger margin of defeat than Alabama’s 21-point loss to the Bulldogs.—
Jordy Fee-Platt,
New York Times,
8 Dec. 2025
-
Cronin highlighted the fact that in his team-high 38 minutes, Dent did a lot to wear down Ducks defenders – whether or not his shots were falling, as fickle as shots can be.—
Mirjam Swanson,
Oc Register,
7 Dec. 2025
Cite this Entry
“Flatline.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/flatline. Accessed 17 Jun. 2026.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
