dimmer

noun

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

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.
However, the odds of a speedy conclusion to the lighting project appear dimmer. — Noah Lyons, San Diego Union-Tribune, 18 June 2026 That lack of clarity is part of why people have already begun to take a dimmer view of A24. — Charles Pulliam-Moore, The Verge, 23 June 2026 Royder recommends using 3000K bulbs on dimmers for a crisp, versatile glow. — Sophie Flaxman, Better Homes & Gardens, 13 June 2026 Such circadian lighting would typically start in the morning with bright bluish light and gradually shift to dimmer, redder light in the evening before bedtime. — Lauren Jarvis-Gibson, Charlotte Observer, 24 June 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

Phrases Containing dimmer

Rhymes for dimmer

See All Rhymes for dimmer

Browse Nearby Words

dimmedness
dimmer
dimmer switch
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Cite this Entry

“Dimmer.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/dimmer. Accessed 8 Jul. 2026.

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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
: low beam

More from Merriam-Webster on dimmer

Nglish: Translation of dimmer for Spanish Speakers

Britannica.com: Encyclopedia article about dimmer

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