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Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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Not compulsory

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "Not compulsory" is correct and usable in written English.
It can be used to indicate that something is optional or not required. Example: "Attendance at the meeting is not compulsory, but we encourage everyone to join."

✓ Grammatically correct

News & Media

Academia

Encyclopedias

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

"It's not compulsory.

News & Media

The Economist

Education is not compulsory.

It is not compulsory.

News & Media

The Guardian

Military service is not compulsory.

Attendance is not compulsory.

News & Media

The New York Times

This is not compulsory arbitration.

These readings are not compulsory.

Taking part was not compulsory.

The full Alexander McQueen is not compulsory.

Generally, writing a dissertation is not compulsory.

News & Media

The Guardian

The previous three plebiscites were not compulsory.

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Expert writing Tips

Best practice

Consider your audience and context; while "not compulsory" is widely understood, alternatives like "optional" or "voluntary" may be more appropriate in certain situations.

Common error

Avoid using "not compulsory" when there is actually no choice involved. Ensure that the situation genuinely allows for an alternative; otherwise, using a more direct term like "prohibited" or "mandatory" would be more accurate.

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

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

86%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "not compulsory" functions as an adjective phrase, modifying a noun or pronoun to indicate that something is not required or mandatory. As confirmed by Ludwig AI, this phrase effectively conveys the concept of optionality.

Expression frequency: Very common

Frequent in

News & Media

41%

Academia

15%

Encyclopedias

7%

Less common in

Science

7%

Wiki

2%

Formal & Business

2%

Ludwig's WRAP-UP

In summary, "not compulsory" is a grammatically correct and frequently used phrase that signifies something is optional. Ludwig AI confirms its acceptability. It is used across diverse contexts, especially in news, academia, and encyclopedias. When using "not compulsory", ensure the context genuinely involves a choice. While the phrase is generally neutral, you can adapt your choice based on the audience to match the level of formality desired using similar words like "optional" or "voluntary". Always aim for clarity to avoid confusion about available choices.

FAQs

What does "not compulsory" mean?

The phrase "not compulsory" means something is optional and not required. It indicates there is a choice whether or not to participate or adhere to something.

What can I say instead of "not compulsory"?

You can use alternatives like "optional", "not required", or "voluntary" depending on the context.

Is "not compulsory" formal or informal?

"Not compulsory" is generally considered neutral and can be used in both formal and informal contexts, though "optional" or "voluntary" might be preferred in more casual settings.

How to use "not compulsory" in a sentence?

You can use "not compulsory" to indicate that attendance, participation, or adherence to something is optional. For example, "Attendance at the meeting is "not compulsory"."

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Source & Trust

86%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Most frequent sentences: