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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Recent Examples of flatline
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
Production flatlined, and employment declined.
—Paul S. Lavoie, Hartford Courant, 11 Mar. 2026
At the same time, soda popularity flatlined and wellness culture ascended.
—Ellen Cushing, The Atlantic, 25 Feb. 2026
Data from the Census Bureau indicates that median wages for full-time male workers have essentially flatlined since 1973.
—Mark Robert Rank, The Conversation, 6 Feb. 2026
See All Example Sentences for flatline
Mary Cunningham, CBS News, 1 Apr. 2026
Production flatlined, and employment declined.
—Paul S. Lavoie, Hartford Courant, 11 Mar. 2026
At the same time, soda popularity flatlined and wellness culture ascended.
—Ellen Cushing, The Atlantic, 25 Feb. 2026
Data from the Census Bureau indicates that median wages for full-time male workers have essentially flatlined since 1973.
—Mark Robert Rank, The Conversation, 6 Feb. 2026
See All Example Sentences for flatline
Recent Examples of Synonyms for flatline
Verb
-
And while this year ultimately produced notable wins for healthcare policy, business organizations were also frustrated by legislators on that front as well, pointing to a bill that would have allowed for association health plans that died in the Appropriations Committee.—
P.R. Lockhart,
Hartford Courant,
17 May 2026
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At least three people have died from the rare virus’s recent outbreak, marking a total of 11 cases as of May 13, according to the World Health Organization.—
Kate Perez,
Chicago Tribune,
16 May 2026
Verb
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Only two were earned, but they were all deserved after Rodón fell apart in the third frame.—
Gary Phillips,
New York Daily News,
17 May 2026
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Chelsea’s squad demographic falls somewhere in between but is probably closer to the former than the latter, and a football legend with his resume should not encounter the authority problems faced by owner BlueCo’s previous hires.—
Liam Twomey,
New York Times,
17 May 2026
Cite this Entry
“Flatline.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/flatline. Accessed 18 May. 2026.
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