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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
is not compulsory
Grammar usage guide and real-world examplesUSAGE SUMMARY
'is not compulsory' is correct and may be used in written English.
You may use it when speaking or writing about something that is optional or not required, such as a specific level of education. For example: "Attaining a Master's degree is not compulsory for this position; a Bachelor's degree will suffice."
✓ Grammatically correct
News & Media
Science
Encyclopedias
Alternative expressions(20)
does not involve
does not required
do not need
is not mandatory
is not merited
need not have
is not obliged
does not presuppose
is not requirement
are not applicable
is not obligatory
does not desire
is at your discretion
is not a prerequisite
need not worry
does not term
is not free
is not forceful
ought not be
are excluded
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
Education is not compulsory.
Encyclopedias
It is not compulsory.
News & Media
Military service is not compulsory.
Encyclopedias
Attendance is not compulsory.
News & Media
This is not compulsory arbitration.
Academia
The full Alexander McQueen is not compulsory.
News & Media
Generally, writing a dissertation is not compulsory.
News & Media
Oh – and the mac is not compulsory.
News & Media
Going to school is not compulsory for foreigners.
News & Media
Most play an instrument, but it is not compulsory.
News & Media
And, as it is not compulsory, it can be avoided.
News & Media
Expert writing Tips
Best practice
When clarifying choices, use "is not compulsory" to ensure clarity that a specific action or decision is optional. For instance, "Submitting a cover letter is not compulsory, but it is highly recommended."
Common error
Avoid assuming that because something "is not compulsory", it lacks value or importance. Optional actions can still offer significant benefits or advantages in certain situations.
Source & Trust
84%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "is not compulsory" primarily functions as a descriptor, clarifying the optional nature of an action, requirement, or obligation. As Ludwig AI suggests, it indicates that participation or adherence is voluntary rather than mandatory. It is a straightforward way to convey a lack of requirement.
Frequent in
News & Media
30%
Science
25%
Encyclopedias
15%
Less common in
Academia
10%
Wiki
10%
Formal & Business
10%
Ludwig's WRAP-UP
The phrase "is not compulsory" serves to clarify that an action or requirement is optional. As supported by Ludwig AI, it's grammatically sound and widely used. Its neutral tone suits diverse contexts, particularly in news, science, and encyclopedic content. Related phrases, like "is optional" or "is not required", offer similar meanings with subtle differences. Remember that while something "is not compulsory", it may still be beneficial or recommended.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
is optional
Focuses on the choice or possibility of opting out.
is not required
Emphasizes the lack of necessity.
is voluntary
Highlights the willingness aspect.
is not mandatory
Uses a more formal tone to express non-requirement.
is not obligatory
Similar to mandatory but less common.
is up to you
Indicates the decision rests with the individual.
is not a must
Informal way to express that something is not essential.
is at your discretion
Formal way of saying the decision is yours.
is not enforced
Implies that even if there's a rule, it's not being actively applied.
is not a condition
Clarifies that something is not a prerequisite.
FAQs
How can I use "is not compulsory" in a sentence?
You can use "is not compulsory" to indicate that something is optional or not required. For example: "Although registering for the event is encouraged, it "is not compulsory"."
What are some alternatives to "is not compulsory"?
Alternatives to "is not compulsory" include phrases like "is optional", "is not required", or "is voluntary", depending on the specific nuance you wish to convey.
Is "is not compulsory" formal or informal?
"Is not compulsory" is suitable for both formal and informal contexts. However, for more formal writing, you might consider using "is not mandatory".
What's the difference between "is not compulsory" and "is not necessary"?
While both phrases suggest a lack of requirement, "is not compulsory" implies there's a rule or expectation that doesn't need to be followed, while "is not necessary" simply means something isn't needed to achieve a particular outcome.
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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
84%
Authority and reliability
4.6/5
Expert rating
Real-world application tested