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Synonyms

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.


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

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of outflow

First recorded in 1790–1800; out- + flow

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

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

The measures signal "China's efforts to control the outflow of citizens' funds and assets", he said.

From Barron's Jul. 3, 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

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

It was close to the westernmost of the Nile’s seven mouths, the Canopic, but far enough away to avoid having its harbor silted up by the river’s outflow.

From "Circumference" by Nicholas Nicastro

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