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Definitions

pacemaker

[peys-mey-ker] / ˈpeɪsˌmeɪ kər /
NOUN
front-runner
Synonyms


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Investigators consider the octogenarian a “vulnerable adult” owing to her difficulty walking, pacemaker and a heart condition that required daily medication.

From The Wall Street Journal • Feb. 24, 2026

Guthrie’s pacemaker app showed a disconnect from her phone.

From The Wall Street Journal • Feb. 13, 2026

Nancy’s pacemaker app shows that it was a disconnect from the phone, Nanos said.

From Los Angeles Times • Feb. 7, 2026

She uses a pacemaker and is often in pain, the family said.

From Los Angeles Times • Feb. 6, 2026

In medicine, a new generation of pacemaker could regulate a person’s heartbeat for decades, rather than needing to be replaced every two years.

From "Reaching for the Moon" by Katherine Johnson