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

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
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 Back in markets, Bitcoin is bruised – on pace for its worst week since February amid a record streak of bitcoin ETF outflows as the crypto market breaks from its dominant narratives. Katie Foley, CNBC, 5 June 2026
Noun
Even so, leftover storm outflow could trigger a few new storms later this afternoon and evening. Brandi D. Addison, USA Today, 22 June 2026 Individual companies suffer because the category is experiencing outflows. Jim Osman, Forbes.com, 20 June 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

Browse Nearby Words

Cite this Entry

“Outflow.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/outflow. Accessed 3 Jul. 2026.

Kids Definition

outflow

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

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