pacemaker

pace·mak·er

noun \ˈpās-ˌmā-kər\

Definition of PACEMAKER

1

a : one that sets the pace for another b : one that takes the lead or sets an example

2

a : a group of cells or a body part (as the sinus node of the heart) that serves to establish and maintain a rhythmic activity b : an electrical device for stimulating or steadying the heartbeat or reestablishing the rhythm of an arrested heart

— pace·mak·ing \-kiŋ\ noun

Examples of PACEMAKER

1. <has long been regarded as a pacemaker in home electronics>

First Known Use of PACEMAKER

1884

Related to PACEMAKER

Synonyms: leader, bellwether, pacer, pacesetter, trendsetter

Antonyms: follower, imitator

Related Words: foregoer, forerunner, harbinger, herald, precursor; groundbreaker, innovator, pioneer

Near Antonyms: Johnny-come-lately, me-tooer

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Rhymes with PACEMAKER

backbreaker, bookmaker, caretaker, carmaker, comaker, dressmaker, drugmaker, filmmaker, gill raker, glassmaker, groundbreaker, grubstaker, hatmaker, haymaker, heartbreaker, homemaker, housebreaker, icebreaker, jawbreaker, kingmaker, lawbreaker, lawmaker, mapmaker, matchmaker, mistaker, muckraker, mythmaker, noisemaker, oddsmaker, peacemaker, phrasemaker, platemaker, playmaker, Poundmaker, printmaker, rainmaker, sailmaker, saltshaker, shirtmaker, shoemaker, snowmaker, steelmaker, strikebreaker, tastemaker, tiebreaker, toolmaker, trailbreaker, watchmaker, winemaker, wiseacre