- 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.
- the low-beam headlights of an automobile or truck.
- the small, parking lights of an automobile.
Origin of dimmer
- not bright; obscure from lack of light or emitted light: a dim room; a dim flashlight.
- not seen clearly or in detail; indistinct: a dim object in the distance.
- not clear to the mind; vague: a dim idea.
- not brilliant; dull in luster: a dim color.
- not clear or distinct to the senses; faint: a dim sound.
- not seeing clearly: eyes dim with tears.
- tending to be unfavorable; not likely to happen, succeed, be favorable, etc.: a dim chance of winning.
- not understanding clearly.
- rather stupid; dim-witted.
- to make dim or dimmer.
- to switch (the headlights of a vehicle) from the high to the low beam.
- to become or grow dim or dimmer.
- dim out, (in wartime) to reduce the night illumination of (a city, ship, etc.) to make it less visible from the air or sea, as a protection from enemy aircraft or ships.
- take a dim view of, to regard with disapproval, skepticism, or dismay: Her mother takes a dim view of her choice of friends.
Origin of dim
SynonymsSee more synonyms for on Thesaurus.com
Examples from the Web for dimmer
Vaccination works more like a light with a dimmer than an on-off switch, said Slifka.A Fully Vaccinated Woman Contracted and Then Spread Measles. WTF?
April 15, 2014
Make sure you choose a dimmer manufacturer who provides readily-accessible information on compatible lamps and dimmers.The Light Bulb Is Dead. Long Live the Light Bulb!
December 20, 2013
But the hopes of arriving anywhere else have never been dimmer.Half-Baked Treaty Deal Could Lead to Collapse of Euro Zone
December 9, 2011
Her vision was dimmer and her spirit at times withdrawn, remote.A Daughter of the Middle Border
Little by little, the image of the Woman grew dimmer and dimmer.The Lock And Key Library
The greater the distance the dimmer this confined air appears.From Pole to Pole
Sven Anders Hedin
Sometimes it is smaller and dimmer; then the Gone Ones rest and sleep.Oomphel in the Sky
Henry Beam Piper
The light got poorer and dimmer and there was a shorter lasting of it.
- a device, such as a rheostat, for varying the current through an electric light and thus changing the illumination
- (often plural) US
- a dipped headlight on a road vehicle
- a parking light on a car
- badly illuminateda dim room
- not clearly seen; indistinct; fainta dim shape
- having weak or indistinct visioneyes dim with tears
- lacking in understanding; mentally dull
- not clear in the mind; obscurea dim memory
- lacking in brilliance, brightness, or lustrea dim colour
- tending to be unfavourable; gloomy or disapproving (esp in the phrase take a dim view)
- to become or cause to become dim
- (tr) to cause to seem less bright, as by comparison
- US and Canadian (tr) to switch (car headlights) from the main to the lower beamAlso called (in Britain and certain other countries): dip
Word Origin and History for dimmer
1822, agent noun from dim (v.). Of mechanisms for reducing the brightness of electric lights, from 1905.
c.1200, perhaps in Old English, from dim (adj.). Related: Dimmed; dimming.
Old English dimm "dark, gloomy, obscure," from Proto-Germanic *dimbaz (cf. Old Norse dimmr, Old Frisian dim, Old High German timber "dark, black, somber"). Not known outside Germanic. Slang sense of "stupid" is from 1892. Related: Dimly; dimness.
Idioms and Phrases with dimmer
see take a dim view.