Flash Meaning

/flæʃ/
B1

Definition, CEFR level B1, pronunciation, examples, and quiz.

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verbTo cause to shine briefly or intermittently.

verbTo blink; to shine or illuminate intermittently.

The flash of lightning precedes the sound of thunder.
The boat sank in a flash.
Synonyms:
Antonyms:
None
CEFR Practice Quiz
We saw a sudden bright ____ of lightning across the dark evening sky.
CEFR Practice Quiz (Alternate)
There was a sudden ____ of lightning in the sky, followed quickly by a loud clap of thunder.

In some senses, from Middle English flasshen, a variant of flasken, flaskien (“to sprinkle, splash”), which was likely of imitative origin; in other senses probably of North Germanic origin akin to Swedish dialectal flasa (“to burn brightly, blaze”), related to flare. Compare also Icelandic flasa (“to rush, go hastily”).

"Eugenie's quick apprehensions seized the foul thought. Her eyes flashed—her cheek crimsoned." — 1841, [Edward Bulwer-Lytton], chapter XIII, in Night and Morning […], volume (please specify |volume=I to III), London: Saunders and Otley, […], →OCLC:
"Breezes blowing from beds of iris quickened her breath with their perfume; she saw the tufted lilacs sway in the wind, and the streamers of mauve-tinted wistaria swinging, all a-glisten with golden bees; she saw a crimson cardinal winging through the foliage, and amorous tanagers flashing like scarlet flames athwart the pines." — 1907 August, Robert W[illiam] Chambers, “Afterglow”, in The Younger Set, New York, N.Y.: D. Appleton & Company, →OCLC, page 168:
"Here, in the transept and choir, where the service was being held, one was conscious every moment of an increasing brightness; colours glowing vividly beneath the circular chandeliers, and the rows of small lights on the choristers' desks flashed and sparkled in front of the boys' faces, deep linen collars, and red neckbands." — 1918, W[illiam] B[abington] Maxwell, chapter VIII, in The Mirror and the Lamp, Indianapolis, Ind.: The Bobbs-Merrill Company, →OCLC, page 52:
"Today, people are taking to the street once again. Clad in face masks, and flashing the three-fingered Hunger Games salute to the sound of Thai rap, thousands of protesters have thronged the capital over recent months, demanding political reform of a military-backed government seen as bungling and corrupt." — 2020 September 14, Charlie Campbell, “'Thailand’s Inconvenient Truth.' Why This Billionaire Is Risking It All to Back Reform of the Monarchy”, in Time, archived from the original on 14 Sep 2020:
"For although party's worn-out moulds have been shivered, and names which have flashed and thundered as the watchwords of unnumbered struggles for power are now fast waning into history, it is too much to hope, perhaps to desire, until the education of mankind shall more nearly approach its completion, that strong differences of opinion and feeling should cease to agitate the scenes on which freemen are called to discharge political duties." — 1845, Thomas [Noon] Talfourd, Report of the Proceedings Connected with the Grant Soirée of the Manchester Athenæum, Held on Thursday, October 23rd, 1845. From the Manchester Guardian of Saturday, October 25th, 1845. Printed for the Directors, Manchester: Cave and Sever, Printers, 18, St. Ann's Street, →OCLC, page 16:

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CEFR Practice Quiz
We saw a sudden bright ____ of lightning across the dark evening sky.
CEFR Practice Quiz (Alternate)
There was a sudden ____ of lightning in the sky, followed quickly by a loud clap of thunder.

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