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
as when needed
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "as when needed" is correct and usable in written English.
It can be used to indicate that something should be done or provided at specific times or circumstances when it is required. Example: "The support team will be available as when needed to assist with any technical issues that arise."
✓ Grammatically correct
Robotics and Biomimetics
Duke University
Plosone
Independent
The Guardian - Money
The Guardian
Los Angeles Times
Globalization and Health
BMJ Open
The New York Times
Alternative expressions(20)
as occasion requires
when circumstances dictate
when needed
as necessary
when the need arises
as the situation demands
on an as-needed basis
only when necessary
if and when required
subject to demand
depending on necessity
as required
if the occasion arises
as and when required
as deemed appropriate
as when associated
as when adequate
as this needed
as there needed
as it needed
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
1 human-written examples
The engagement of linear actuators will be as when needed during the picking, placing stages to complete both tasks.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
59 human-written examples
Such monetary motivation might have particularly strong influence when the cognitive system is challenged, such as when needing to process conflicting stimulus inputs.
Academia
Second, in double labellings, such as when needing to identify a balancer carrying a lacZ reporter, anti-βgal antibodies must be applied after anti-Caspase.
Science
A houseparent lives in their own cabin nearby, hands-off, but there as and when needed.
News & Media
You could buy an annuity to meet the bills and leave the rest invested, taking lump sums as and when needed.
News & Media
Further success came from hiring a consultant, paid for as and when needed, to bring specific knowledge of the sector to the business.
News & Media
Case knows they'll step it up as well when needed.
News & Media
The EDP forum meets as and when needed.
Science
In the next section we focus on the less formal, responsive, form of PPI in which researchers 'reach out' for specific PPI input as and when needed.
Science
Maybe The Times should just call it a "disaster," without modifiers, and be as specific as possible when needed.
News & Media
Changes could just as well be made bit by bit, as and when needed, throughout the year.
News & Media
Expert writing Tips
Best practice
Use "as when needed" to clearly indicate that an action or resource is only available or applied under specific circumstances. This avoids implying constant availability when it isn't the case.
Common error
Avoid using "as when needed" in situations where 'when needed' suffices. The 'as' adds a layer of complexity that isn't always necessary and can make your writing sound stilted.
Source & Trust
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "as when needed" functions as an adverbial phrase, modifying verbs or clauses to specify the conditions under which an action should be performed or a resource should be used. It indicates that something is provided or done only under specific circumstances.
Frequent in
News & Media
48%
Science
38%
Formal & Business
7%
Less common in
Academia
4%
Wiki
2%
Science
1%
Ludwig's WRAP-UP
In summary, "as when needed" is a versatile phrase used to indicate that something should be done or provided only under specific, contingent circumstances. According to Ludwig, it is grammatically correct and widely used. Its prevalence in News & Media and Science sources suggests broad applicability. When writing, it's essential to use the phrase deliberately, ensuring it adds value by clarifying conditions rather than complicating simple statements. Related alternatives such as "when the need arises" or "as occasion requires" can be considered to subtly adjust the tone and formality of your writing.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
when the need arises
Focuses on the emergence of the requirement as the trigger.
as the situation demands
Highlights the circumstantial influence on the action.
as occasion requires
Uses a more formal tone to indicate situational necessity.
when circumstances dictate
Emphasizes external conditions that govern the need.
on an as-needed basis
Focuses on the scheduling and implementation of actions.
only when necessary
Highlights the restriction of the action to essential instances.
if and when required
Adds a conditional aspect to the timing of the need.
contingent upon requirement
Emphasizes the dependency of the action on the need.
subject to demand
Indicates that the action is governed by prevailing demand.
depending on necessity
Highlights that the action is driven by an imperative need.
FAQs
How can I rephrase "as when needed" to sound more formal?
Consider using alternatives like "as occasion requires" or "when circumstances dictate" for a more formal tone. These options elevate the language while maintaining the meaning.
Is it redundant to say "as and when needed" instead of "as when needed"?
Yes, "as and when needed" is often considered redundant. The phrase "as when needed" already implies the conditional nature of the action, so adding "and" doesn't add any significant meaning.
What's the difference between "as needed" and "as when needed"?
"As needed" generally implies a more frequent or regular basis of need, while "as when needed" suggests a more specific, situational, and less frequent requirement. The 'as' adds emphasis to the timing of the necessity.
Can "as when needed" be used in all contexts, or are there situations where it's inappropriate?
While "as when needed" is generally versatile, it might sound overly formal or complex in very simple contexts. In those cases, "when needed" or "as necessary" might be more appropriate.
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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
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested