outflow

American  

[out-floh] / ˈaʊtˌfloʊ /

noun

1. the act of flowing out.

   We need flood control to stem the river's outflow.

2. something that flows out.

   to measure the outflow in gallons per minute.

3. any outward movement.

   the annual outflow of tourists.

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outflow British  

/ ˈaʊtˌfləʊ /

noun

1. anything that flows out, such as liquid, money, ideas, etc

2. the amount that flows out

3. the act or process of flowing out

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Etymology

Origin of outflow

First recorded in 1790–1800; out- + flow

Example Sentences

See Examples For:

outflow

This could raise wildfire risk, as dry lightning and gusty outflow winds are typically associated with these storm systems.

From Los Angeles Times ● Jul. 13, 2026

Published Friday, Flow Show author Michael Hartnett’s weekly strategy note to clients observed that the outflow from U.S. equity funds reversed a huge influx of $119 billion the week previous.

From MarketWatch ● Jun. 26, 2026

Over $6 billion of money has been pulled out of TLT so far this year, more than the $3.2 billion outflow in the full calendar year of 2025.

From Barron's ● Jun. 10, 2026

BlackRock’s 0-to-3 month Treasury ETF gained $22.2 billion, while its 20+ year Treasury index fund saw a $3.2 billion outflow year-to-date.

From The Wall Street Journal ● May 28, 2026

They are paths followed by fish; although unseen and intangible, they are linked with the outflow of waters from the coastal rivers.

From "Silent Spring" by Rachel Carson

Related Words

• discharge