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flush

To cleanse or rinse out a cavity, organ, or wound by passing a fluid through it. / To cause a bird or animal to fly or run from its hiding place. / To become reddish in the face, typically due to embarrassment, shame, or anger. / Even or level with another surface; forming a continuous surface. / Having a large amount of money; wealthy. / A sudden rush of strong emotion or a reddening of the skin.

/ˈflʌʃ/

Transitive VerbIntransitive VerbAdjective[C/U] Both
pl: flushespast: flushedpp: flusheding: flushing

The unifying concept is a sudden, powerful surge—whether it is a flow of water, a rush of blood to the skin, or a burst of movement from cover.

When referring to the face, it carries a visceral, involuntary quality. Unlike 'blush', which is almost always associated with modesty or shame, 'flush' can be triggered by fever, exertion, or intense anger.

In technical or physical contexts, it describes an absence of protrusion. It suggests a seamless transition between two surfaces, evoking a sense of precision and alignment.

When used regarding money, it is casual and temporary. Being 'flush' isn't the same as being rich; it implies a current surplus of cash on hand, often suggesting a fleeting state of abundance.

Countable when referring to a specific instance of reddening (a flush). Uncountable when referring to the general state of being level or the act of rinsing.

💬Casual Conversation

🎬Tuesday afternoon, Sarah is hiding in the breakroom to avoid David.
Jessica

Did you get that bonus check? I'm feeling flush for once.

Jessica
Sarah
Sarah

Barely. Still not enough to cover my caffeine addiction.

💡
Jessica uses 'flush' as an adjective meaning wealthy or having a large amount of money, specifically referring to the temporary financial boost from a bonus check. Sarah responds with dry humor regarding her low pay and dependence on coffee.

Meanings

Transitive Verb

To cleanse or rinse out a cavity, organ, or wound by passing a fluid through it.

The nurse used saline to flush the wound.

Transitive Verb

To cause a bird or animal to fly or run from its hiding place.

The hunting dogs helped flush the quail from the brush.

Intransitive Verb

To become reddish in the face, typically due to embarrassment, shame, or anger.

She began to flush when he complimented her.

Adjective

Even or level with another surface; forming a continuous surface.

Make sure the door is flush with the wall.

Adjective

Having a large amount of money; wealthy.

He's feeling quite flush after receiving his year-end bonus.

Noun

A sudden rush of strong emotion or a reddening of the skin.

A warm flush of embarrassment spread across her cheeks.

Examples

Her cheeks flush red.

The edges are flush.

He flushed with anger.

I am flush this week.

Flush the pipe with water.

She felt a sudden flush of joy.

Romance

The doctor had to flush the catheter.

Health

The hunters tried to flush out the deer.

Fantasy
Business

A deep flush of shame overcame him during the trial.

History

He was flush with cash after the successful merger.

Business

Etymology

Related Words

Last Updated: May 2026Report an Error