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Justyna Jupowicz-Kozak quote

Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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must specify

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "must specify" is correct and usable in written English.
It can be used when indicating that a particular detail or requirement needs to be clearly stated or defined. Example: "In your application, you must specify your preferred start date."

✓ Grammatically correct

Science

News & Media

Formal & Business

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

In it, they must specify any of the 50 special interrogation techniques they intend to use.

News & Media

The New York Times

She must specify what concerns, if any, are raised by the transaction.

But a green-card application must specify a job and employer, and those cannot be changed.

News & Media

The New York Times

They must specify what data they are collecting and how they will use it.

News & Media

The New York Times

They must specify and justify the information they need, and have a legal agreement with the MHRA to act responsibly.

News & Media

The Guardian

"It must specify how it plans to support ongoing (rather than episodic) scholarly work by full-time faculty".

News & Media

The New York Times

Finally, they must specify a useful and appropriate prediction model.

Prevalence estimates must specify their timeframe (see page 17).

However, the process engineer must specify the system into which the jets are incorporated.

To write a history of project management we must specify the object of this "historicization".

FFD algorithm is an unsupervised method that the user must specify the frequency size.

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Expert writing Tips

Best practice

When using "must specify", ensure the context clearly indicates what needs to be specified and why it is necessary for clarity or compliance.

Common error

Avoid using "must specify" without a clear object. Always follow it with the details or parameters that need to be defined or stated explicitly.

Antonio Rotolo, PhD - Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

80%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "must specify" functions as a directive expression, indicating a mandatory requirement to provide specific details or information. Ludwig's examples highlight its use in formal contexts where clarity and explicitness are crucial. It conveys a sense of obligation or necessity.

Expression frequency: Very common

Frequent in

Science

49%

News & Media

27%

Formal & Business

7%

Less common in

Wiki

2%

Encyclopedias

0%

Reference

0%

Ludwig's WRAP-UP

The phrase "must specify" is a grammatically sound and frequently used expression, particularly in scientific, news, and formal business contexts. According to Ludwig, it effectively conveys a mandatory requirement to provide explicit details. Related phrases include "is required to specify" and "needs to define", offering subtle variations in formality and emphasis. When using "must specify", ensure clarity and avoid overly general statements. Ludwig's examples confirm its versatility and importance in precise communication.

FAQs

How to use "must specify" in a sentence?

Use "must specify" to emphasize the necessity of clearly stating or defining something. For example, "The application "must specify" the intended use of the data."

What can I say instead of "must specify"?

You can use alternatives like "is required to specify", "needs to define", or "should indicate depending on the context".

Which is correct, "must specify" or "should specify"?

"Must specify" indicates a requirement, while "should specify" suggests a recommendation. Choose based on whether the information is mandatory or optional.

What's the difference between "must specify" and "needs to specify"?

"Must specify" often implies a formal or regulatory requirement, while "needs to specify" can be used in more general contexts to indicate a necessary action.

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Source & Trust

80%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Most frequent sentences: