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Definition of flash

flash

/flæʃ/
flash

Plural:flashes
•
Past Simple:flashed
•
Past Participle:flashed
•
Present Participle:flashing
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flash Lexical Profile

flash Game Scores & Validity

• noun

1

A sudden, brief burst of bright light.

Example

"A blinding flash of lightning illuminated the dark valley for a fraction of a second."


2

A device used in photography to produce a brief, intense burst of artificial light.

Example

"The photographer attached a powerful flash to her camera before entering the dimly lit reception hall."


3

A sudden, brief occurrence or feeling of an emotion or thought.

Example

"He felt a sudden flash of inspiration while walking through the silent museum."

Synonyms
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• verb

1

To shine suddenly and brightly, but briefly.

Example

"The lighthouse beam flashed steadily across the harbor to warn approaching ships."


2

To move or pass very quickly.

Example

"The silver sports car flashed past us on the highway, disappearing into the distance."


3

To display or expose something briefly or suddenly.

Example

"The undercover detective flashed his badge at the security guard to gain entry to the building."

Synonyms
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Antonyms
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• adjective

1

British Ostentatiously expensive or showy, typically intended to impress others.

Example

"He spent his recent bonus on a flash sports car and custom designer suits."

Synonyms
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Antonyms
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• Rhymes for flash

Word Origin & Etymology

From Middle English 'flaschen' (to splash or dash), likely an onomatopoeic formation blending words such as 'dash', 'splash', and 'flicker'.

Usage Trend

Historical frequency of usage in published text.

180019102020

Cite this Entry


Wordmom. (2026). Definition of Flash. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/flash
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