must not be duplicated

USAGE SUMMARY

The phrase "must not be duplicated" is correct and usable in written English.
It can be used to indicate that something should not be copied or reproduced in any form. Example: "This document contains sensitive information and must not be duplicated under any circumstances."

✓ Grammatically correct

News & Media

Science

Formal & Business

Human-verified similar examples from authoritative sources

Similar Expressions

60 human-written examples

It will not be duplicated.

The New York Times - Magazine

'Well, she had a face that could not be duplicated..

The Guardian - Film

The Nottingham experience "will not be duplicated widely".

The Economist

Pennington said: "When I look at the past two games, I look at a player that is trying to duplicate last year, and last year can't be duplicated.

The New York Times - Sports

"The uniqueness of the sound of the organ can't be duplicated.

The New York Times - Arts

There's no methodology to induce such a state because it can't be duplicated.

Huffington Post

You lost something you cared about and it can't be duplicated.

Huffington Post

Pinball machine graphics exist within their specific vehicle or context which can't be duplicated.

Vice

To have that voice was great, and it hasn't been duplicated.

Vice

Women must not be separated.

Independent

It must not be forgotten.

The New York Times

Expert writing Tips

Best practice

Use "must not be duplicated" to clearly and firmly indicate that something should not be copied or reproduced, especially when emphasizing the need for originality or confidentiality.

Common error

Avoid using "must not be duplicated" in casual conversation or informal writing. It can sound overly formal or authoritarian. Simpler phrases like "don't copy" or "keep it original" are more appropriate in those situations.

Linguistic Context

The phrase "must not be duplicated" functions primarily as a prohibitive directive. It explicitly forbids the act of copying or reproducing something. Ludwig AI's analysis indicates that this phrase carries a strong sense of obligation.

Expression frequency: Missing

Frequent in

News & Media

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Science

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Formal & Business

0%

Less common in

Encyclopedias

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Wiki

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Social Media

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Ludwig's WRAP-UP

In summary, the phrase "must not be duplicated" is a formal and direct way to prohibit the copying or reproduction of something. Ludwig AI shows that while grammatically sound, it is not frequently used. When deciding to use this phrase, consider the need for a strong directive and whether the context is appropriate for its formal tone. If a less forceful or more casual tone is desired, alternatives such as "should not be replicated" or "is not to be copied" may be more suitable.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

should not be replicated

Changes "must" to "should", softening the obligation but maintaining the prohibition against replication.

cannot be replicated

Replaces the modal verb "must" with "cannot", indicating impossibility rather than prohibition.

should remain unique

Focuses on preserving uniqueness rather than explicitly forbidding duplication.

is not to be copied

Emphasizes the act of copying and prohibits it directly.

is off-limits for reproduction

Uses a more emphatic tone, declaring reproduction as forbidden.

is not allowed to be copied

Explicitly states that copying is not permitted.

is prohibited from being duplicated

Uses a more formal and legalistic tone, emphasizing the prohibition.

demands originality

Shifts the focus to the positive requirement of originality instead of prohibiting duplication.

must remain original

Stresses the importance of preserving the original state.

is one of a kind

Highlights the uniqueness and singularity of the subject, implicitly suggesting it cannot be duplicated.

FAQs

What does "must not be duplicated" mean?

The phrase "must not be duplicated" signifies that something is strictly prohibited from being copied or reproduced. It indicates a requirement to maintain the originality or exclusivity of an item or concept.

When is it appropriate to use the phrase "must not be duplicated"?

This phrase is suitable for formal contexts where it's crucial to prevent unauthorized copying, such as legal documents, confidential reports, or artistic creations. For casual settings, less formal alternatives are preferable.

What can I say instead of "must not be duplicated"?

You can use alternatives like "should not be replicated", "cannot be replicated", or "should remain unique" depending on the context and desired level of formality.

How does "must not be duplicated" differ from "should not be copied"?

"Must not be duplicated" implies a stricter, non-negotiable requirement, whereas "should not be copied" suggests a recommendation that allows for potential exceptions. The former carries a greater sense of authority and obligation.