outflow

1 of 2

verb

out·​flow ˈau̇t-ˌflō How to pronounce outflow (audio)
ˌau̇t-ˈflō
outflowed; outflowing; outflows
Synonyms of outflownext

intransitive verb

: to flow out

outflow

2 of 2

noun

out·​flow ˈau̇t-ˌflō How to pronounce outflow (audio)
1
: a flowing out
the outflow of dollars
2
: something that flows out
outflow of a sewage treatment plant

Synonyms of outflow

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Noun

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Examples of outflow in a Sentence

Noun We joined the outflow of fans from the stadium after the game. The vents provide improved outflow of air.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Verb
Storm outflow winds to 50 mph are forecast with the strongest activity. — Tim Fang, CBS News, 27 Aug. 2026 BlackRock’s flagship bitcoin ETF saw daily net outflows every trading session from May 15 to June 3, according to data from Farside Investors. — John Towfighi, CNN Money, 9 June 2026
Noun
Financial institutions often reinforce this outflow of value. — Wal Van Lierop, Forbes.com, 28 Aug. 2026 Sewer leaks and stormwater outflow pipes could also contribute to bacteria. — Michael Cappetta, Travel + Leisure, 26 Aug. 2026 See All Example Sentences for outflow

Word History

First Known Use

Verb

before the 12th century, in the meaning defined above

Noun

1785, in the meaning defined at sense 1

Time Traveler
The first known use of outflow was before the 12th century

Rhymes for outflow

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Browse Nearby Words

outflash
outflow
outflung
See all Nearby Words

Cite this Entry

“Outflow.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/outflow. Accessed 1 Sep. 2026.

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Kids Definition

outflow

noun
out·​flow
ˈau̇t-ˌflō
1
: a flowing out
an outflow of fans from the stadium
2
: something that flows out

More from Merriam-Webster on outflow

Britannica.com: Encyclopedia article about outflow

Last Updated: - Updated example sentences
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