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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
must be discarded
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "must be discarded" is correct and usable in written English.
It can be used when indicating that something is no longer needed or should be thrown away. Example: "Any outdated documents must be discarded to maintain an organized filing system."
✓ Grammatically correct
News & Media
Science
Alternative expressions(20)
should be rejected
needs to be eliminated
must be thrown away
should be discarded
needs to be removed
should be thrown away
must be cancelled
must be withdrawn
must be relinquished
must be forwarded
must be erased
must be stopped
must be dismantled
must be rescinded
must be directed
must be removed
must be bridged
ought to be rejected
should be dismissed
should not be accepted
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
60 human-written examples
"Their votes must be discarded".
News & Media
These prejudices must be discarded.
News & Media
"The new market structure is broken and must be discarded".
News & Media
Head rules over heart, and must be discarded.
News & Media
If two or more corners of the chad remain attached, the ballot must be discarded.
News & Media
To be strong and to be able to fend for themselves, the crutches must be discarded".
News & Media
In a provocative statement two weeks ago, he said, "The new market structure is broken and must be discarded".
News & Media
Food and Drug Administration regulations allow for blood to be stored up to 42 days before it must be discarded.
News & Media
This evidence obviously meant that the EMH, as applied to the stock market in aggregate, must be discarded or modified.
News & Media
Section 101.5614 6) provides, conversely, that any vote in which the board cannot discern the intent of the voter must be discarded.
News & Media
Conversely, section 101.5614( 6) provides that any vote in which the Board cannot discern the intent of the voter must be discarded.
News & Media
Expert writing Tips
Best practice
When using "must be discarded", ensure that the reason for discarding is clear to avoid ambiguity. For example, specify if an item is being discarded due to expiration, damage, or obsolescence.
Common error
While grammatically correct, using "must be discarded" repeatedly can sound overly formal or stiff. Consider using synonyms like "should be rejected" or "needs to be eliminated" in less formal contexts to maintain a natural tone.
Source & Trust
85%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "must be discarded" functions as a modal verb phrase in the passive voice, indicating an obligation or necessity for something to be disposed of or rejected. Ludwig AI confirms its grammatical correctness and usability.
Frequent in
News & Media
52%
Science
43%
Wiki
5%
Less common in
Formal & Business
0%
Encyclopedias
0%
Social Media
0%
Ludwig's WRAP-UP
The phrase "must be discarded" is a grammatically correct and frequently used expression indicating that something needs to be rejected or disposed of. Ludwig AI confirms its validity, revealing its prevalent use in News & Media and Science contexts. It carries a neutral to formal tone, conveying a sense of obligation or necessity. When employing this phrase, ensure clarity about the reason for disposal to avoid ambiguity. While versatile, overuse can sound stiff in informal settings, making synonyms like "should be rejected" or "needs to be eliminated" useful alternatives. Its widespread presence in authoritative sources underscores its reliability and relevance in expressing mandatory disposal across diverse scenarios.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
must be thrown away
Emphasizes the act of disposing of something because it is no longer wanted or useful.
must be rejected
Focuses on refusing to accept or approve something due to its unsuitability.
should be rejected
Emphasizes a recommendation or expectation that something is not suitable or acceptable.
needs to be removed
Indicates that something has to be taken away or detached from its current position.
needs to be eliminated
Highlights the necessity of removing or getting rid of something to prevent further issues.
has to be scrapped
Suggests that something is no longer functional or useful and needs to be thrown away.
has to be disregarded
Suggests ignoring something because it's irrelevant or incorrect.
ought to be abandoned
Implies a moral or practical obligation to give up or cease using something.
ought to be omitted
Implies that something should be left out or excluded from a larger whole.
should be jettisoned
Refers to something being thrown or dropped from a moving object, typically to lighten the load.
FAQs
How to use "must be discarded" in a sentence?
Use "must be discarded" to indicate something is no longer needed or suitable for use. For example: "Expired medications must be discarded properly", or "Any data that violates privacy regulations must be discarded immediately".
What can I say instead of "must be discarded"?
You can use alternatives like "should be rejected", "needs to be eliminated", or "must be thrown away", depending on the context and the desired level of formality.
What is the difference between "must be discarded" and "should be discarded"?
"Must be discarded" implies a stronger obligation or necessity compared to "should be discarded". "Must" indicates it's essential, often due to rules or safety concerns, while "should" suggests a recommendation.
When is it appropriate to use "must be discarded"?
It's appropriate to use "must be discarded" when there is a clear requirement or regulation that necessitates the disposal or rejection of something. This often applies in contexts related to safety, compliance, or quality control.
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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
85%
Authority and reliability
4.6/5
Expert rating
Real-world application tested