Used and loved by millions
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 deferred
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "must be deferred" is correct and usable in written English.
It can be used when indicating that something should be postponed or delayed to a later time. Example: "Due to unforeseen circumstances, the meeting must be deferred until next week."
✓ Grammatically correct
News & Media
Science
Formal & Business
Alternative expressions(20)
needs to be postponed
should be postponed
needs to be delayed
has to be put off
should be deferred
will be rescheduled
is subject to postponement
will be held back
is pending
must be rescheduled
must be cut
must be prosecuted
must be identified
must be tackled
must be stopped
must be eliminated
must be researched
must be overturned
must be thrilled
must be breached
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
22 human-written examples
Such payments must be deferred for five years.
News & Media
If bonuses exceed salaries, then a quarter of that additional payout must be deferred for at least five years.
News & Media
The cavopulmonary shunt is an excellent palliative procedure when right atrium-pulmonary artery connection (modified Fontan) must be deferred because of age, weight, or anatomic considerations.
Academia
The new rules specify that 40 to 60 percent of a bonus must be deferred and that no more than half of the portion paid immediately can be in cash.
News & Media
The rules allow bankers to receive about half of their bonuses in immediate payouts, while at least 40 percent of the total must be deferred for three to five years.
News & Media
Sheldon Silver, the Assembly speaker, and John Sampson, the Democratic conference leader in the State Senate, have said that judicial salary increases must be deferred indefinitely in light of the state's fiscal crisis.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
38 human-written examples
Our responsibility to meet it must not be deferred.
News & Media
Some part of a sale of software must often be deferred over the life of the service contract involved.
News & Media
The danger posed by climate change cannot be denied, and our responsibility to meet it must not be deferred.
News & Media
For example, in his recent speech to the United Nations President Obama said: "The danger posed by climate change cannot be denied, and our responsibility to meet it must not be deferred.
News & Media
As suggested by the physicist Brian Greene, the teaching of science is frequently regarded as a paradigmatic case for education as preparation for life rather than life itself, as a situation in which it is patently obvious that freedom must of necessity be deferred until "integration...into the logic of the present system" has been first achieved.
Expert writing Tips
Best practice
When using "must be deferred", ensure the context clearly indicates who or what is responsible for making the decision to postpone and the anticipated timeframe for the delay.
Common error
Avoid using "must be deferred" without providing a clear reason or justification for the postponement. Omitting the reason can lead to confusion and frustration.
Source & Trust
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "must be deferred" functions as a passive construction, indicating that an action or decision is to be postponed. The auxiliary verb "must" expresses obligation or necessity, while "be deferred" specifies the act of postponement. Ludwig AI confirms this usage with numerous examples across diverse contexts.
Frequent in
News & Media
32%
Science
32%
Formal & Business
12%
Less common in
Academia
12%
Wiki
4%
Encyclopedias
0%
Ludwig's WRAP-UP
In summary, the phrase "must be deferred" is a grammatically sound and frequently used expression to convey that something requires postponement. As shown in the diverse examples provided by Ludwig, its usage spans various contexts, particularly in News & Media, Scientific, and Formal & Business settings. It is generally considered to be neutral to formal, and it's important to provide a clear reason for the deferral to avoid confusion. Several alternatives exist, such as "should be postponed" or "needs to be delayed", which offer similar meanings but with subtle variations in tone and emphasis. Ludwig AI confirms that the phrase is appropriate for use in written English.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
should be postponed
Replaces "must" with "should", indicating a recommendation rather than a strict requirement for deferral.
needs to be delayed
Uses "needs" instead of "must", highlighting the necessity of delaying something.
has to be put off
Employs the phrasal verb "put off", which is a more informal way of saying "deferred".
is required to be delayed
Adds emphasis on the requirement to delay, making it slightly more formal.
is subject to postponement
Shifts the focus to the possibility of postponement, rather than the necessity.
will be rescheduled
Indicates a plan to set a new schedule for something that was originally planned.
cannot proceed at this time
Specifies that something cannot continue as planned for now.
will be held back
More literal and less formal than "deferred", implying a deliberate holding.
is pending
Indicates that a decision or action is awaiting resolution or completion.
is not happening now
States directly that something will not occur in the present moment.
FAQs
How do I use "must be deferred" in a sentence?
Use "must be deferred" to indicate that an action, decision, or event needs to be postponed until a later time. For example, "The decision on the budget must be deferred until the next fiscal year."
What are some alternatives to saying "must be deferred"?
You can use phrases like "should be postponed", "needs to be delayed", or "has to be put off" depending on the level of formality and emphasis you want to convey.
Is it better to say "must be deferred" or "should be deferred"?
"Must be deferred" implies a stronger obligation or necessity to postpone, while "should be deferred" suggests a recommendation or advisability. The choice depends on the context and the level of compulsion you want to express.
What is the difference between "must be deferred" and "will be rescheduled"?
"Must be deferred" simply indicates a postponement, while "will be rescheduled" implies that a new date or time will be set for the deferred event or action. "Must be deferred" doesn't necessarily guarantee a new date will be set.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested