as needed by

USAGE SUMMARY

The phrase "as needed by" is correct and can be used in written English.
You can use this phrase to indicate that something needs to be done or provided in accordance with a particular requirement, such as a time frame, a set of standards, or an expectation. For example, "The project should be completed as needed by the deadline of April 15th."

✓ Grammatically correct

Science

Academia

News & Media

Wiki

Formal & Business

Encyclopedias

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

5. Develop and strengthen writing as needed by planning, revising, editing, rewriting or trying a new approach.

The New York Times

These environments can be adjusted as needed by researchers to better understand the torpor response.

Duke University

Analgesics were typically prescribed as a 'prn' (take as needed) by the attending physician.

BMC Geriatrics

Make adjustments as needed by turning off the today view, today summary, and tomorrow summary.

WikiHow

Make adjustments as needed by trimming the foam strips slightly or adding shims or other material under the floor.

WikiHow

Bylaws may be created or modified as needed by the Board of Directors.

University of California, Berkeley

Suppressed information will still be used, as needed, by MIT employees and contractors.

Massachusetts Institute of Technology

Most other instruments can be tuned as needed by the person playing them.

The New York Times - Tech

Physicians ascertained cause of death from death certificates, supplemented as needed by medical records.

Nature

These would set up an IRAF directory and the pointers to it as needed by the pipeline.

Harvard University

This allows the sashes to move up and down, as needed by the homeowner, without rubbing against each other.

The New York Times

Expert writing Tips

Best practice

When using "as needed by", ensure the context clearly specifies what is creating the need. For example, 'Resources will be allocated as needed by the project's evolving requirements'.

Common error

Avoid using "as needed by" without clearly specifying who or what determines the need. For instance, instead of saying 'Adjustments will be made as needed by', clarify with 'Adjustments will be made as needed by the engineering team'.

Linguistic Context

The phrase "as needed by" functions as a prepositional phrase indicating a conditional or contingent relationship. It specifies that an action or provision is dependent on the requirements of a particular agent or system, aligning with examples from Ludwig.

Expression frequency: Very common

Frequent in

Science

39%

Academia

22%

News & Media

16%

Less common in

Wiki

8%

Formal & Business

6%

Encyclopedias

3%

Ludwig's WRAP-UP

The phrase "as needed by" is a versatile prepositional phrase used to express conditionality or dependence on specific requirements. According to Ludwig, the phrase is grammatically correct and frequently used across a variety of contexts, including scientific, academic, and news media. Common usage involves indicating that an action or provision is contingent upon the needs of a particular entity, as illustrated in numerous examples from Ludwig. While alternatives like "as required by" exist, "as needed by" often implies more flexibility and adaptation. When employing this phrase, ensure clarity by specifying what is creating the need. With a high expert rating, "as needed by" remains a reliable and effective choice for expressing conditional requirements.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

as required by

Emphasizes a formal requirement or obligation.

as necessitated by

Highlights the unavoidable need created by a specific situation.

as demanded by

Stresses a strong imperative or urgent request.

as warranted by

Indicates justification or authorization based on circumstances.

as appropriate by

Highlights suitability or fitness for a particular purpose or situation.

as called for by

Implies a need or demand arising from a particular situation.

contingent on

Focuses on the conditional nature of the action or provision.

subject to

Highlights the dependence on certain terms or conditions.

dependent on

Emphasizes reliance or reliance on a particular factor.

as determined by

Highlights the role of a decision-maker in setting the criteria.

FAQs

How can I use "as needed by" in a sentence?

Use "as needed by" to indicate that something should be done or provided according to a particular requirement. For example, "The software can be updated "as needed by" the users".

What are some alternatives to "as needed by"?

Alternatives include "as required by", "as necessitated by", or "as demanded by" depending on the specific context.

What is the difference between "as needed by" and "as required by"?

"As needed by" suggests flexibility and adaptation to specific circumstances, while "as required by" implies a more formal or mandatory obligation. The best choice depends on the context.

Is "as needed by the system" grammatically correct?

Yes, "as needed by the system" is grammatically correct. It specifies that something is required according to the needs of the system. For example, "Memory resources will be allocated "as needed by the system"".