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
for however long
Grammar usage guide and real-world examplesUSAGE SUMMARY
'for however long' is a correct and usable phrase in written English.
You can use it to indicate that an action or circumstance will continue for an unspecified or undetermined amount of time. For example, "The store will remain closed for however long the government deems necessary."
✓ Grammatically correct
News & Media
Wiki
Formal & Business
Alternative expressions(20)
for the duration that
for as long as
during the period that
for as long as it takes
as long as necessary
for whatever time is necessary
as long as it lasts
for an indefinite period
while it continues
for the duration
until the end
for the foreseeable future
for the time being
for rather long
for better long
for even long
for similarly long
for now long
for only long
for so long
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
Scott added, "We'll be brothers for however long after that".
News & Media
I am willing to wait for however long it takes".
News & Media
For however long he is gone, Foreman will be missed.
News & Media
For however long the show runs, it intends to keep setting mysteries in towns named Push.
News & Media
It is an act of immorality to continue bombing for however long it may be".
News & Media
"Is it just to put the cake in the oven for however long?
News & Media
People will consider me a part of their lives for however long Downton Abbey lasts.
News & Media
The reverse sweep has been part of the game for however long.
News & Media
Firefighters will fight for however long it takes to secure a fair pensions deal.
News & Media
Mr. Ricci countered: "Look, they got a benefit for however long.
News & Media
Something I'm very aware of is engaging people's attention for however long they are listening.
News & Media
Expert writing Tips
Best practice
Use "for however long" when you want to emphasize that the duration is uncertain and depends on future circumstances. For example, "We will continue to support the project for however long it remains beneficial."
Common error
Avoid using "for however long" when a specific timeframe is already known or implied. Using it in such cases can make the sentence sound awkward or unclear. Prefer specific time indications instead.
Source & Trust
81%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "for however long" functions as an adverbial phrase, modifying a verb or clause to specify the duration of an action or state. It indicates that the length of time is indefinite and contingent on circumstances. According to Ludwig, this is a correct and usable phrase.
Frequent in
News & Media
53%
Wiki
15%
Formal & Business
9%
Less common in
Academia
3%
Science
10%
Reference
10%
Ludwig's WRAP-UP
In summary, "for however long" is a grammatically sound and frequently used adverbial phrase that serves to indicate an unspecified duration, dependent on circumstances. It appears most commonly in News & Media. While generally acceptable, more formal contexts might benefit from alternative phrasing for enhanced precision or sophistication. As confirmed by Ludwig, the phrase is correct and usable, making it a versatile option for expressing indefinite timeframes.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
for as long as it takes
Focuses on the necessity of completing something regardless of time.
as long as necessary
Similar meaning, but the emphasis is on necessity and less on the unknown duration.
for whatever time is necessary
Emphasizes that the length of time is dictated by the needs of the situation.
as long as it lasts
Implies something may have a natural end.
for an indefinite period
Highlights the uncertainty of the time frame involved.
while it continues
Focuses on the ongoing nature of an event or situation.
for the duration
Implies a defined period, whereas the original phrase is open-ended.
until the end
Suggests a definitive endpoint to the period of time.
for the foreseeable future
Indicates a period of time that can be reasonably predicted.
for the time being
Indicates a temporary situation, not necessarily a long one.
FAQs
How can I use "for however long" in a sentence?
You can use "for however long" to indicate an unspecified duration that depends on certain conditions. For example, "The exhibit will be available "for however long" the museum can secure funding."
What's a more formal alternative to "for however long"?
A more formal alternative could be "for the duration that" or "for as long as", depending on the context. For example, "The agreement will remain in effect for the duration that the parties mutually agree."
Is "for however long" appropriate for formal writing?
While grammatically correct, "for however long" leans towards a neutral to informal tone. In formal writing, consider using alternatives like "for as long as" or "during the period that" for a more sophisticated tone.
What's the difference between "for however long" and "for as long as"?
"For however long" emphasizes the uncertain or conditional nature of the duration, while "for as long as" simply indicates a duration that continues as long as a certain condition is met. The difference is subtle, but "for however long" adds a touch of uncertainty or dependence on external factors.
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
81%
Authority and reliability
4.5/5
Expert rating
Real-world application tested