FLASH
1 Americannoun
noun
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a brief, sudden burst of bright light.
The sky lit up with a flash of lightning.
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a sudden, brief outburst or display of joy, wit, etc..
Her brilliant eye for detail and quiet flashes of humor make the book a joy to read.
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a very brief moment; instant.
I'll be back in a flash.
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Informal. flashlight.
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Journalism. news flash.
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Photography.
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bright artificial light thrown briefly upon a subject during an exposure.
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the sudden flame or intense heat produced by a bomb or other explosive device.
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a sudden thought, insight, inspiration, or vision.
I smelled the sea breeze and had a flash of my childhood summers at the beach.
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a showy or ostentatious display.
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Slang. rush.
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Metallurgy.
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a ridge of metal left on a casting by a seam between parts of the mold.
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a ridge formed at the edge of a forging or weld where excess metal has been squeezed out.
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Poker. a hand containing all five suits in a game played with a five-suit pack.
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a device, such as a lock or sluice, for confining and releasing water to send a boat down a shallow stream.
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the rush of water thus produced.
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Obsolete. the cant or jargon of thieves, vagabonds, etc.
verb (used without object)
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to break forth into sudden flame or light, especially transiently or intermittently.
We saw a buoy flashing in the distance.
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to gleam.
The car's chrome bumpers flashed in the sun.
- Synonyms:
- scintillate
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to burst suddenly into view or perception.
The answer flashed into his mind.
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to move very suddenly and quickly.
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to speak or behave with sudden anger, outrage, or the like (often followed byout ).
to flash out at a stupid remark.
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to break into sudden action.
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Slang. to open one's clothes and expose the genitals suddenly, and usually briefly, in public.
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Slang. to experience the intense effects of a narcotic or stimulant drug.
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to dash or splash, as the sea or waves.
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Archaic. to make a flash or sudden display.
verb (used with object)
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to emit or send forth (fire or light) in sudden bursts.
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to cause to emit or reflect light.
There was a driver tailgating them who kept flashing his high beams and honking his horn.
A beekeeper I knew used to flash a mirror at his hive to help settle them.
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to communicate instantly.
The airline flashed the updated flight time on the overhead display.
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to make an ostentatious display of.
He's forever flashing a large roll of bills.
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to display suddenly and briefly.
She flashed her ID card at the guard.
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to change (water) instantly into steam by pouring or directing onto a hot surface.
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to increase the flow of water in (a river, channel, etc.).
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Glassmaking and Ceramics.
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to coat (plain glass or a glass or ceramic object) with a layer of colored, opalescent, or white glass.
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to apply (such a layer).
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to color or make (glass) opaque by reheating.
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Building Trades. to protect from leakage with flashing.
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Computers.
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to write a program, file, etc. to the part of (a device's) memory that is reprogrammable and retains information even with the power turned off.
If you're still having problems, you can flash the router.
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to write (a program, file, etc.) to the part of a device's memory that is reprogrammable and retains information even with the power turned off.
I flashed the device's firmware using the latest version available.
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Cards. to expose (a card) in the process of dealing.
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Archaic. to dash or splash (water).
adjective
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happening suddenly and usually lasting a short time.
a flash storm.
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very brief, fast, or short: flash poetry and fiction.
flash freezing of vegetables;
flash poetry and fiction.
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Computers. relating to or using a type of reprogrammable memory that retains information even with the power turned off.
a flash drive.
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showy or ostentatious.
- Synonyms:
- ostentatious, pretentious, tawdry, gaudy, flashy
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caused by or used as protection against flash from an explosive device.
flash injuries; flash clothing.
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counterfeit or sham.
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Obsolete. belonging to or connected with thieves, vagabonds, etc., or their cant or jargon.
idioms
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flash on,
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to have a sudden thought, insight, or inspiration about.
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to have a sudden, vivid memory or mental picture of.
I just flashed on that day we spent at the lake.
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to feel an instantaneous understanding and appreciation of.
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flash in the pan,
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a brief, intense effort that produces no significant result.
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a person or thing that enjoys short-lived success.
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noun
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a sudden short blaze of intense light or flame
a flash of sunlight
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a sudden occurrence or display, esp one suggestive of brilliance
a flash of understanding
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a very brief space of time
over in a flash
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an ostentatious display
a flash of her diamonds
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Also called: newsflash. a short news announcement concerning a new event
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Also called: patch. an insignia or emblem worn on a uniform, vehicle, etc, to identify its military formation
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a patch of bright colour on a dark background, such as light marking on an animal
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a volatile mixture of inorganic salts used to produce a glaze on bricks or tiles
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a sudden rush of water down a river or watercourse
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a device, such as a sluice, for producing such a rush
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informal photog short for flashlight flash photography
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a ridge of thin metal or plastic formed on a moulded object by the extrusion of excess material between dies
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dialect a pond, esp one produced as a consequence of subsidence
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(modifier) involving, using, or produced by a flash of heat, light, etc
flash blindness
flash distillation
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a project, person, etc, that enjoys only short-lived success, notoriety, etc
adjective
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informal ostentatious or vulgar
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informal of or relating to gamblers and followers of boxing and racing
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sham or counterfeit
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informal relating to or characteristic of the criminal underworld
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brief and rapid
flash freezing
verb
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to burst or cause to burst suddenly or intermittently into flame
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to emit or reflect or cause to emit or reflect light suddenly or intermittently
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(intr) to move very fast
he flashed by on his bicycle
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(intr) to come rapidly (into the mind or vision)
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(intr; foll by out or up) to appear like a sudden light
his anger really flashes out at times
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to signal or communicate very fast
to flash a message
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to signal by use of a light, such as car headlights
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informal (tr) to display ostentatiously
to flash money around
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informal (tr) to show suddenly and briefly
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slang (intr) to expose oneself indecently
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(tr) to cover (a roof) with flashing
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to send a sudden rush of water down (a river, etc), or to carry (a vessel) down by this method
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(in the making of glass) to coat (glass) with a thin layer of glass of a different colour
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(tr) to subject to a brief pulse of heat or radiation
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(tr) to change (a liquid) to a gas by causing it to hit a hot surface
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obsolete to splash or dash (water)
Related Words
Flash, glance, glint, glitter mean to send forth a sudden gleam (or gleams) of bright light. To flash is to send forth light with a sudden, transient brilliancy: A shooting star flashed briefly. To glance is to emit a brilliant flash of light as a reflection from a smooth surface: Sunlight glanced from the glass windshield. Glint suggests a hard bright gleam of reflected light, as from something polished or burnished: Light glints from silver or from burnished copper. To glitter is to reflect intermittent flashes of light from a hard surface: Ice glitters in the moonlight.
Other Word Forms
- flashingly adverb
- outflash verb (used with object)
Etymology
Origin of flash
First recorded in 1350–1400; Middle English flasshen “to sprinkle, splash,” earlier flask(i)en; probably phonesthemic in origin; compare similar expressive words with fl- and -sh
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.
“A brother from another mother,” the hotel staffer told JOP, who flashed a grin glittering with tooth gems.
From Los Angeles Times
Chelsea have shown flashes of quality but often lose control and drop points.
From BBC
A stock-market indicator that has been used by investment analysts for more than a century flashed a bullish signal this week.
From MarketWatch
These symptoms include hot flashes, insomnia and brain fog.
From MarketWatch
And it comes from an elegant left-hander with a flash of peroxide.
From BBC
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.