- comparative of dim.
dimmer
Americannoun
-
a person or thing that dims.
-
Also called dimmer switch. a rheostat or similar device by which the intensity of an electric light may be varied.
-
dimmers,
-
the low-beam headlights of an automobile or truck.
-
the small, parking lights of an automobile.
-
noun
-
a device, such as a rheostat, for varying the current through an electric light and thus changing the illumination
-
(often plural)
-
a dipped headlight on a road vehicle
-
a parking light on a car
-
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:
That prospect was growing dimmer a few years later when playwrights such as Suzan-Lori Parks and Lynn Nottage came into prominence.
From Los Angeles Times ● Jun. 29, 2026
For that to happen, earnings won’t need to necessarily disappoint; rather, investors can choose to take a dimmer view on the immense corporate investment in AI-related data centers.
From MarketWatch ● May 3, 2026
But its struggles in advancing cutting-edge models over the past few years suggest a dimmer long-term outlook for its AI efforts to drive a broader revenue expansion.
From The Wall Street Journal ● Apr. 30, 2026
M dwarf stars are smaller, cooler, and dimmer than our Sun, yet most of them host at least one rocky planet about the size of Earth.
From Science Daily ● Mar. 27, 2026
He was not aware of giving the memory; but suddenly he realized that it was becoming dimmer, that it was sliding through his hand into the being of the newchild.
From "The Giver" by Lois Lowry
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
“I have all lights put on dimmers when I’m designing a room just for this purpose. It’s an easily forgotten but important detail,” McCormick said.
From Seattle Times ● Nov. 15, 2023
With dimmers, movement sensors and more, the tools exist to light our nights differently.
From Washington Post ● Feb. 1, 2023
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.
