1
: a device for regulating the intensity of an electric lighting unit
2

dimmer

2 of 2

comparative of dim entry 1

Examples of dimmer in a Sentence

Recent Examples on the Web
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Noun
But the longer the current stalemate lasts, the dimmer that prospect grows. — Will Freeman, Foreign Affairs, 17 Sep. 2026 The Marlins’ fleeting, flickering hopes of a playoff berth grew dimmer Saturday when the Cubs beat them for the second day in a row, continuing an inauspicious start to an important nine-game homestand. — Barry Jackson, Miami Herald, 6 Sep. 2026 But a strange pattern has emerged in rpTDES; each successive flare can become dimmer. — Robert Lea, Space.com, 1 Sep. 2026 What started as replacing lightbulbs and downloading a dimmer app has led to electronic locks, video doorbells and smart thermostats. — Jon Viner, Forbes.com, 1 Sep. 2026 See All Example Sentences for dimmer

Word History

First Known Use

Noun

circa 1896, in the meaning defined at sense 1

Time Traveler
The first known use of dimmer was circa 1896

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Cite this Entry

“Dimmer.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/dimmer. Accessed 9 Oct. 2026.

Kids Definition

1
: a device for controlling the amount of light from an electric lighting unit (as the headlights of an automobile or the lights of a room)
2

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