PACEMAKER Synonyms: 17 Similar and Opposite Words

pacemaker

noun

ˈpās-ˌmā-kər

Definition of pacemaker

as in leader

one that takes the lead or sets an example has long been regarded as a pacemaker in home electronics

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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 pacemaker The infection caused an irregular heart rhythm, and doctors decided to temporarily implant a pacemaker. — Stefania Conrieri, Vanity Fair, 28 Aug. 2026 The King also previously had a leg operation in 2022, COVID diagnoses in 2022 and 2023 and pacemaker surgery in 2024. — Meredith Kile, PEOPLE, 27 Aug. 2026 Michael Chaves had to have surgery before his first birthday and get a pacemaker at age 17. — Carolyn Gusoff, CBS News, 27 Aug. 2026 Shares of the maker of devices such as pacemakers and stents have been nearly cut in half already this year, under pressure after issuing a weak profit forecast in the first quarter. — Tobias Burns, CNBC, 26 Aug. 2026 See All Example Sentences for pacemaker

Recent Examples of Synonyms for pacemaker

Noun

The United States remains the global leader in biotech, but China is rapidly narrowing the gap.

— Patrick McHenry, STAT, 30 Sep. 2026
Some industry leaders have also sounded alarms over increasingly powerful systems.

— Neetika Walter, Interesting Engineering, 29 Sep. 2026

Definition of leader

Noun

The Indian pacer returned from a leg injury sustained during the England tour.

— ABC News, ABC News, 13 Sep. 2026
Josh Kerr, its sponsored athlete, had a mile world-record attempt scheduled at a Diamond League event in London, which was at risk because a pacer could not fulfil their duties.

— Liam Tharme, New York Times, 19 Aug. 2026

Definition of pacer

Noun

The startup, founded by AI pioneer Fei-Fei Li, is building AI models for creating virtual 3D environments frequently used in humanoid robot development.

— Evelyn Cheng, CNBC, 29 Sep. 2026
State historian Doane Robinson wanted to create a monument to the Old West, featuring both pioneers and Native leaders, to attract tourists.

— Encyclopedia Britannica, Encyclopedia Britannica, 29 Sep. 2026

Definition of pioneer

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paced

pacemaker

pacemakers

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“Pacemaker.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/pacemaker. Accessed 2 Oct. 2026.

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Synonyms of pacemaker

noun

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