Used and loved by millions
Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
flow up
Grammar usage guide and real-world examplesUSAGE SUMMARY
"flow up" is not correct or usable in written English.
You could use the phrase "flow upriver" if you are referring to movement in a body of water, or the phrase "keep up" if you are referring to an ability to maintain a certain pace or level. For example: "She had to paddle hard to keep up with the current and flow upriver."
⚠ May contain grammatical issues
Science
News & Media
Formal & Business
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
60 human-written examples
Water doesn't flow up hills.
News & Media
They want information to flow up as well as down.
News & Media
Ideas and influence can flow up or down the pyramid.
News & Media
Belatedly, Polaroid has tried to bring costs down and cash flow up.
News & Media
Other parts fold down to allow an existing garden to flow up onto the roof.
News & Media
Mostly, Mr. Linen's listeners drift in from the crowds that flow up and down Seventh Avenue.
News & Media
When poured in a beaker, a superfluid will flow up the sides and out.
News & Media
"The upshot is that ideas don't flow up from people to parties and candidates," Achen said.
Academia
The information doesn't flow up to you when you're in a closed-door situation like that.
News & Media
But for the flow up into Belgium the two almost agreed.
News & Media
So the guitar was attractive because it was more comfortable to play — you could flow up and down the neck.
News & Media
Expert writing Tips
Best practice
When referring to upward movement, consider using more precise verbs like "rise", "ascend", or "move upward" for clarity. Ensure the context warrants the use of "flow" and that the direction is unambiguous.
Common error
Avoid using "flow up" when the direction is unclear or when a more specific verb would provide greater clarity. Often, simply using "flow" or specifying the destination is more effective.
Source & Trust
88%
Authority and reliability
2.8/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "flow up" functions as a phrasal verb indicating upward movement or direction. However, its usage can be grammatically unconventional. As noted by Ludwig AI, it is not always correct or usable in written English and the various examples available show a wide semantic usage.
Frequent in
News & Media
37%
Science
37%
Academia
12%
Less common in
Formal & Business
9%
Encyclopedias
3%
Reference
2%
Ludwig's WRAP-UP
The phrase "flow up" is used across various contexts, including news, science, and academia, as shown in Ludwig's examples. However, Ludwig AI indicates that it may not always be grammatically correct or the most suitable choice for formal writing. Grammatically, it functions as a phrasal verb indicating upward movement. While "flow up" is relatively common, consider more precise verbs such as "rise" or "ascend" for improved clarity and adherence to standard English. Always assess the specific context to determine if a more descriptive alternative would better convey the intended meaning and improve overall readability.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
move upward
Replaces the single verb "flow" with a more descriptive phrase indicating direction.
rise
Implies a vertical movement or ascent, differing from the directional ambiguity of "flow up".
circulate upwards
Specifies both the movement and direction, useful when discussing the movement of fluids or information.
ascend
Indicates a gradual upward movement, more formal than "flow up" and emphasizes elevation.
trickle up
Suggests a slow and gradual upward movement, often used for liquids or information.
report upwards
Highlights the action of formally communicating information to superiors.
pass up
Focuses on the act of conveying something to a higher level or position.
cascade upwards
Indicates a flowing movement from a lower to a higher level in a series.
be conveyed
Emphasizes the transfer of something, such as information, to a higher level.
increase
Suggests a rise in quantity or intensity, diverging from the literal movement in "flow up".
FAQs
What does "flow up" mean?
"Flow up" generally refers to moving upward, often in the context of liquids, gases, or information, but it can sometimes be grammatically awkward. Consider using alternative phrasing to improve clarity.
How can I make my writing more clear than using "flow up"?
To enhance clarity, use more precise alternatives depending on the context. Options include "rise", "ascend", or "move upward".
Is it correct to say "flow up" in formal writing?
While "flow up" appears in various sources, it may not always be the most suitable choice for formal writing. Opt for more precise and grammatically standard alternatives to ensure clarity and professionalism.
What are some situations where "flow up" might be used?
"Flow up" is occasionally used when describing the movement of liquids, gases, or information in an upward direction. However, more descriptive phrases are usually preferable, like "circulate upwards" or "report upwards", depending on context.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
88%
Authority and reliability
2.8/5
Expert rating
Real-world application tested