dimmer

noun

dim·​mer ˈdi-mər How to pronounce dimmer (audio)
1
: a device for regulating the intensity of an electric lighting unit
2

Examples of dimmer in a Sentence

Recent Examples on the Web
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When to Call a Professional Homeowners can typically handle simple projects, such as replacing light fixtures or swapping standard switches for dimmers. Olivia McIntosh, Martha Stewart, 6 June 2026 June’s full moon will may look smaller and dimmer than normal. Hali Smith june 4, Idaho Statesman, 4 June 2026 The stars Pollux and Castor in the constellation of Gemini appear three times farther apart and much dimmer than Venus and Jupiter. Joe Rao, Space.com, 1 June 2026 Inside, guests encountered the same thoughtful aesthetic that has defined Tian Tea House, now transformed into a dimmer, more intimate nighttime setting. Kansas City Star, 31 May 2026 See All Example Sentences for dimmer

Word History

First Known Use

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 19 Jun. 2026.

Kids Definition

dimmer

noun
dim·​mer ˈdim-ər How to pronounce dimmer (audio)
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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