- comparative of dim.
dimmer
Americannoun
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dimmers
plural
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a person or thing that dims.
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Also called dimmer switch. a rheostat or similar device by which the intensity of an electric light may be varied.
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dimmers,
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the low-beam headlights of an automobile or truck.
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the small, parking lights of an automobile.
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noun
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a device, such as a rheostat, for varying the current through an electric light and thus changing the illumination
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(often plural)
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a dipped headlight on a road vehicle
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a parking light on a car
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Other Word Forms
Noun Inflected Forms
Etymology
Origin of dimmer
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
See Examples For:
The trouble is, Earth-like planets can be more than a billion times dimmer than their host star.
From Los Angeles Times ● Aug. 28, 2026
Actor, singer and "Family Guy" creator Seth MacFarlane wrote on X that "the world is a dimmer place without her."
From Barron's ● Aug. 25, 2026
Of the roughly 10 repeating systems identified so far, four have shown flares that become progressively dimmer.
From Science Daily ● Aug. 23, 2026
The UK Health Security Agency says the event can make the Sun appear dimmer than usual, making it easier to look at directly.
From BBC ● Aug. 10, 2026
She seemed dimmer than she had the last time Ophie had seen her.
From "Ophie's Ghosts" by Justina Ireland
In addition to turning off your lights whenever possible, motion sensors, dimmers, and shields for light fixtures that direct nighttime glare downward can help reduce light pollution.
From National Geographic ● Feb. 14, 2024
“I love to put dimmers on everything,” she says.
From Seattle Times ● Dec. 1, 2023
With dimmers, movement sensors and more, the tools exist to light our nights differently.
From Washington Post ● Feb. 1, 2023
They keep over a dozen lights in any given room, many on dimmers and low wattage.
From Seattle Times ● Dec. 8, 2022
Down on the road an occasional truck passed by with its dimmers on.
From "Bridge to Terabithia" by Katherine Paterson
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
