flash

US /flæʃ/
UK /flæʃ/
"flash" picture
1.

a sudden brief burst of bright light

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The lightning was just a quick flash in the sky.
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The camera's flash illuminated the dark room.
:
gleamglintsparkletwinkleflare
2.

a sudden, brief display or realization of something

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She had a flash of inspiration.
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He saw a flash of anger in her eyes.
:
glimpseinsightrealizationburstsurge
1.

to shine or cause to shine with a sudden bright light

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The lighthouse began to flash its beam across the sea.
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He flashed a quick smile at her.
:
gleamglintsparkletwinkleflare
2.

to show or display something quickly or suddenly

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She flashed her badge to the security guard.
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The screen flashed a warning message.
:
displayshowexhibitrevealpresent
1.

brief and sudden

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It was a flash decision, made without much thought.
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We only had a flash glimpse of the celebrity.
:
briefsuddenquickrapidinstant
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flash driveflash-freezeflash cardflash saleflash flooda flash in the pan