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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Recession is here baybayyy Even as graduates try to safeguard their futures through advanced degrees, the outlook for white-collar work is growing dimmer. Jessica Coacci, Fortune, 28 Oct. 2025 Around the same dates, skywatchers can witness the dimmer Comet Swan and observe the Orionid meteor shower. Tiffany Acosta, AZCentral.com, 22 Oct. 2025 Leading up to bedtime, turn off bright overhead lights and start using dimmer lamps to promote melatonin release. Kris Ann Valdez, Parents, 22 Oct. 2025 Little or No Moonlight A bright moon can outshine many meteors, especially the dimmer ones. Hannah Parry, MSNBC Newsweek, 21 Oct. 2025 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 2 Nov. 2025.

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

More from Merriam-Webster on dimmer

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