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

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 pacemaker Eriksen was fitted with an implantable cardioverter defibrillator (ICD) — a type of pacemaker — following his cardiac arrest, per BBC Sport. — Kirsty Hatcher, PEOPLE, 8 June 2026 Ultrasound could replace pacemakers. — Alex Knapp, Forbes.com, 5 June 2026 The device is not for users with active implantable medical devices such as pacemakers or hearing aid implants; users with metallic implants such as stents, bone plates or bone screws at or near the neck; or users operating another device like a TENS unit or muscle stimulator at the same time. — Samantha Agate, Sacbee.com, 3 June 2026 The implantable pacemaker emerged in the late 1950s after engineers and surgeons developed a device capable of electrically regulating irregular heartbeats from inside the body. — Kaif Shaikh, Interesting Engineering, 28 May 2026 See All Example Sentences for pacemaker

Recent Examples of Synonyms for pacemaker

Noun

The Burbank airport’s site in the San Fernando Valley, however, has often put its leaders at odds with residents of surrounding suburban neighborhoods.

— Christopher Reynolds, Los Angeles Times, 8 July 2026
On Monday night, a group of residents and community leaders, including City Councilwoman Ysabel Jurado, met with Lineage officials to discuss their concerns stemming from the fire.

— City News Service, Daily News, 8 July 2026

Definition of leader

Noun

Baby Carrie has not been born yet at the start of the series, in part so the show could explore pioneer pregnancy and childbirth.

— Culture Critic, Los Angeles Times, 9 July 2026
Biologists ranging from the evolutionary theorist Ernst Mayr to the pioneer of molecular biology Jacques Monod have acknowledged that.

— Quanta Magazine, Quanta Magazine, 8 July 2026

Definition of pioneer

Browse Nearby Words

paced

pacemaker

pacemakers

See all Nearby Words

Cite this Entry

Style

“Pacemaker.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/pacemaker. Accessed 10 Jul. 2026.

Copy Citation

Synonyms of pacemaker

noun

Example Sentences

Browse Nearby Words

Cite this Entry

More from Merriam-Webster on pacemaker

More from Merriam-Webster

Word of the Day

effulgence

Popular in Grammar & Usage

Is that lie 'bald-faced' or 'bold-faced'?

'A' or 'an'? What about before 'h'? An Indefinite Article Guide

Why is '-ed' sometimes pronounced at the end of a word?

Commonly Misspelled Words

How to Use Em Dashes (—), En Dashes (–) , and Hyphens (-)

Popular in Wordplay

14 Phobias You Probably Haven't Heard Of

The Longest Long Words List

One-Word Oxymorons: Bittersweet, Spendthrift, and More

Ten Words Ending with a Silent ‘T’

The Words of the Week - Jul 10

Popular

Is that lie 'bald-faced' or 'bold-faced'?

14 Phobias You Probably Haven't Heard Of

The Longest Long Words List

Games & Quizzes