FLATLINING Synonyms: 46 Similar and Opposite Words

flatlining

verb

present participle of flatline

as in dying

to stop living the patient was fading fast, and doctors expected him to flatline before the night was over

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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 flatlining Experts fear that surging Chinese overcapacity — stoked by flatlining domestic consumption — could further deepen the EU-China trade imbalance. — Mohammed Sergie, semafor.com, 29 July 2026 Specifically, the Xbox Series generation appears to be close to flatlining. — Paul Tassi, Forbes.com, 11 June 2026 Our modern dating culture has completely distorted that distinction and our relationships are flatlining because of it. — Sabrina Romanoff, CNBC, 5 June 2026 Neuromodulation is necessary for keeping the brain’s activity level in a functional range, preventing it from either flatlining or erupting in seizures. — Ingrid Wickelgren, Quanta Magazine, 30 Jan. 2026 The episode ends with Monty flatlining in the hospital as Cami and their daughters cry for him. — EW.com, 27 July 2025 Despite a global pandemic flatlining the music industry, Hynes contributed to albums by Lorde and Turnstile, crafted film scores for Passing and Master Gardener, and just last year penned some original music for the Broadway play Job. — Mackenzie Cummings-Grady, Billboard, 3 Sep. 2019

Recent Examples of Synonyms for flatlining

Verb

But hundreds of people in the US are still dying from Covid-19 each month.

— Deidre McPhillips, CNN Money, 4 Aug. 2026
Measles can be a deadly disease, with two children dying last year after having been infected.

— Omer Awan, Forbes.com, 2 Aug. 2026

Definition of dying

Verb

Global markets were also mixed, with South Korea’s Kospi stock index falling another 6% Wednesday as doubts over massive investments in artificial intelligence once again led investors to dump chipmakers’ shares.

— Yuri Kageyama, Fortune, 29 July 2026
Hikers in an area of the San Bernardino National Forest are being warned of falling rocks after one woman was injured, and another woman died after she was suspected to have been hit in the head by a large boulder.

— Paris Barraza, USA Today, 29 July 2026

Definition of falling

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flatlines

flatlining

flatmate

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“Flatlining.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/flatlining. Accessed 5 Aug. 2026.

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Synonyms of flatlining

verb

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