A sudden intense burst of radiant energy.

Roget 382: heat, caloric; temperature, warmth, fervor, calidity^†; incalescence^†, incandescence; glow, flush; fever, hectic.    phlogiston; fire, spark, scintillation, flash, flame, blaze; bonfire; firework, pyrotechnics, pyrotechny^†; wildfire; sheet of fire, lambent flame; devouring element; adiathermancy^†; recalescence [Phys.].    summer, dog days; canicular days^†; baking etc. 384; heat, white heat, tropical heat, Afric heat^†, Bengal heat^†, summer heat, blood heat; sirocco, simoom; broiling sun; insolation; warming etc. 384.    sun etc. (luminary) 423.    [Science of heat] pyrology^†; thermology^†, thermotics^†, thermodynamics; thermometer etc. 389.    [thermal units] calorie, gram-calorie, small calorie; kilocalorie, kilogram calorie, large calorie; British Thermal Unit, B.   T.U.; therm, quad.    [units of temperature] degrees Kelvin, kelvins, degrees centigrade, degrees Celsius; degrees Fahrenheit.    ... show more

Roget 420: light, ray, beam, stream, gleam, streak, pencil; sunbeam, moonbeam; aurora.    day; sunshine; light of day, light of heaven; moonlight, starlight, sunlight etc. (luminary) 432; daylight, broad daylight, noontide light; noontide, noonday, noonday sun.    glow etc. v.; glimmering etc. v.; glint; play of light, flood of light; phosphorescence, lambent flame.    flush, halo, glory, nimbus, aureola.    spark, scintilla; facula; sparkling etc. v.; emication^†, scintillation, flash, blaze, coruscation, fulguration^†; flame etc. (fire) 382; lightning, levin^†, ignis fatuus [Lat.], etc. (luminary) 423.    luster, sheen, shimmer, reflexion [Brit.], reflection; gloss, tinsel, spangle, brightness, brilliancy, splendor; effulgence, refulgence; fulgor^†, fulgidity^†; dazzlement^†, resplendence, transplendency^†; luminousness etc. adj.; luminosity; lucidity; renitency^†, nitency^†; radiance, radiation; irradiation, illumination.    actinic rays, actinism; Roentgen-ray, Xray; photography, heliography; photometer etc. 445.    [Science of light] optics; photology^†, photometry; dioptrics^†, catoptrics^†.    [Distribution of light] chiaroscuro, clairobscur^†, clear obscure, breadth, light and shade, black and white, tonality.    reflection, refraction, dispersion; refractivity.    ... show more

Roget 612: impulse, sudden thought; impromptu, improvisation; inspiration, flash, spurt.    improvisatore^†; creature of impulse.   

Roget 532: news; information etc. 527; piece of news [Fr.], budget of news, budget of information; intelligence, tidings.    word, advice, aviso [Sp.], message; dispatch, despatch; telegram, cable, marconigram^†, wire, communication, errand, embassy.    report, rumor, hearsay, on dit [Fr.], flying rumor, news stirring, cry, buzz, bruit, fame; talk, oui dire [Fr.], scandal, eavesdropping; town tattle, table talk; tittle tattle; canard, topic of the day, idea afloat.    bulletin, fresh news, stirring news; glad tidings; flash, news just in; on-the-spot coverage; live coverage.    old story, old news, stale news, stale story; chestnut [Slang].    narrator etc. (describe) 594; newsmonger, scandalmonger; talebearer, telltale, gossip, tattler.    [study of news reporting] journalism.    [methods of conveying news] media, news media, the press, the information industry; newspaper, magazine, tract, journal, gazette, publication etc. 531; radio, television, ticker (electronic information transmission). [organizations producing news reports] [methods of conveying news] United Press International, UPI; Associated Press, AP; The Dow Jones News Service, DJ; The New York Times News Service, NYT; Reuters [Brit.]; TASS [Rus.]; The Nikkei [Jap.].    [person reporting news as a profession] newscaster, newsman, newswoman, reporter, journalist, correspondent, foreign correspondent, special correspondent, war correspondent, news team, news department; anchorman, anchorwoman^†; sportscaster; weatherman.    [officials providing news for an organization] press secretary, public relations department, public relations man.    ... show more

A momentary brightness.

Dutch: flits, lichtflits, lichtschijnsel

A short vivid experience:
— A flash of emotion swept over him.
— The flashings of pain were a warning.

synonym: flashing.

A sudden brilliant understanding.

A very short time (as the time it takes the eye to blink or the heart to beat):
— If I had the chance I'd do it in a flash.

synonyms: blink of an eye, heartbeat, instant, jiffy, New York minute, split second, trice, twinkling, wink.

Roget 113: instantaneity, instantaneousness, immediacy; suddenness, abruptness.    moment, instant, second, minute; twinkling, trice, flash, breath, crack, jiffy, coup, burst, flash of lightning, stroke of time.    epoch, time; time of day, time of night; hour, minute; very minute &c., very time, very hour; present time, right time, true time, exact correct time.    ... show more

Dutch: handomdraai, mum, moment, pols, flits

A gaudy outward display.

synonyms: fanfare, ostentation.

A burst of light used to communicate or illuminate.

synonym: flare.

Dutch: vuurpijl

A short news announcement concerning some on-going news story.

synonyms: news bulletin, newsbreak, newsflash.

A bright patch of color used for decoration or identification.

Polish: naszywka

A lamp for providing momentary light to take a photograph.

synonyms: flash bulb, flash lamp, flashbulb, flashgun, photoflash.

Polish: lampa błyskowa, flesz

Gleam or glow intermittently:
— The lights were flashing.

synonyms: blink, twinkle, wink, winkle.

Roget 173: be violent etc. adj.; run high; ferment, effervesce; romp, rampage, go on a rampage; run wild, run amuck, run riot; break the peace; rush, tear; rush headlong, rush foremost; raise a storm, make a riot; rough house [Slang]; riot, storm; wreak, bear down, ride roughshod, out Herod, Herod; spread like wildfire (person). [shout or act in anger at something], explode, make a row, kick up a row; boil, boil over; fume, foam, come on like a lion, bluster, rage, roar, fly off the handle, go bananas, go ape, blow one's top, blow one's cool, flip one's lid, hit the ceiling, hit the roof; fly into a rage (anger) 900.    break out, fly out, burst out; bounce, explode, go off, displode^†, fly, detonate, thunder, blow up, crump^†, flash, flare, burst; shock, strain; break open, force open, prize open.    render violent etc. adj.; sharpen, stir up, quicken, excite, incite, annoy, urge, lash, stimulate, turn on; irritate, inflame, kindle, suscitate^†, foment; accelerate, aggravate, exasperate, exacerbate, convulse, infuriate, madden, lash into fury; fan the flame; add fuel to the flame, pour oil on the fire, oleum addere camino [Lat.].    explode; let fly, fly off; discharge, detonate, set off, detonize^†, fulminate.    ... show more

Roget 113: be instantaneous etc. adj.; twinkle, flash.   

Roget 420: shine, glow, glitter; glister, glisten; twinkle, gleam; flare, flare up; glare, beam, shimmer, glimmer, flicker, sparkle, scintillate, coruscate, flash, blaze; be bright etc. adj.; reflect light, daze, dazzle, bedazzle, radiate, shoot out beams; fulgurate.    clear up, brighten.    lighten, enlighten; levin^†; light, light up; irradiate, shine upon; give out a light, hang out a light; cast light upon, cast light in, throw light upon, throw light in, shed light upon, shed luster upon; illume^†, illumine, illuminate; relume^†, strike a light; kindle etc. (set fire to) 384.    ... show more

Appear briefly.

Display proudly; act ostentatiously or pretentiously.

synonyms: flaunt, ostentate, show off, swank.

Dutch: prijken, pronken, uitpakken

Make known or cause to appear with great speed.

Run or move very quickly or hastily.

synonyms: dart, dash, scoot, scud, shoot.

Dutch: afschieten, flitsen, schieten

Expose or show briefly.

Protect by covering with a thin sheet of metal.

Emit a brief burst of light.

Tastelessly showy:
— A flash car.
— A flashy ring.

synonyms: brassy, cheap, flashy, garish, gaudy, gimcrack, loud, meretricious, tacky, tatty, tawdry, trashy ... show more.

Polish: tromtadracki, szpanerski, efekciarski, kabotyński