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

Examples of dimmer in a Sentence

Recent Examples on the Web
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.
While significantly dimmer than Jupiter, modest telescopes easily reveal its brilliant rings, and the belts and zones within the planet’s atmosphere. Damian Peach, Space.com, 13 Aug. 2026 Also on Tuesday, Air Canada released a dimmer outlook for full-year earnings due to surging jet fuel prices. Bloomberg, Fortune, 12 Aug. 2026 Overall, the report paints a dimmer picture of the jobs market, which has been one of the brighter areas of the economy amid rising inflation and worries about household spending. ABC News, 7 Aug. 2026 These specs are a clear step up compared with the Z Flip 8's dimmer 2,600 nits of peak brightness across both its cover screen and inner display. Kimberly Gedeon, PC Magazine, 3 Aug. 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

Browse Nearby Words

Cite this Entry

“Dimmer.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/dimmer. Accessed 22 Aug. 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

More from Merriam-Webster on dimmer

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster