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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 mandatory
Grammar usage guide and real-world examplesUSAGE SUMMARY
"is mandatory" is correct and can be used in written English.
It is used when something must be done and cannot be avoided. For example: Completion of a safety training course is mandatory for all new employees.
✓ Grammatically correct
News & Media
Academia
Science
Wiki
Alternative expressions(20)
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
Heft is mandatory.
News & Media
A helmet is mandatory.
Encyclopedias
Israel's draft is mandatory.
News & Media
Picture snapping is mandatory.
News & Media
Participation in karaoke is mandatory.
News & Media
And haggling is mandatory.
News & Media
Getting down is mandatory.
News & Media
It is mandatory.
News & Media
Clearly, diligence is mandatory.
News & Media
Attendance is mandatory.
Academia
Grading: Attendance is mandatory.
Academia
Expert writing Tips
Best practice
Use "is mandatory" when clearly stating a requirement that cannot be avoided. For example, "Attendance is mandatory" leaves no room for interpretation.
Common error
Avoid using "is mandatory" in casual conversation or informal writing where simpler terms like "required" or "necessary" would be more appropriate. Overusing formal language can sound stilted.
Source & Trust
83%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "is mandatory" functions as a predicate adjective, describing the state of being required or obligatory. Ludwig AI confirms its correct usage, supported by numerous examples where it modifies a noun or noun phrase to indicate a binding requirement.
Frequent in
News & Media
43%
Academia
23%
Wiki
19%
Less common in
Science
14%
Encyclopedias
0%
Formal & Business
0%
Ludwig's WRAP-UP
In summary, the phrase "is mandatory" is a common and grammatically correct way to express that something is required. As Ludwig AI indicates, it's used to state rules and obligations across different fields. While frequently found in news, academic texts, and formal documents, its use in informal settings might sound overly formal. It's crucial to consider the context when choosing between "is mandatory" and synonyms such as "is required" or "is necessary". Utilizing this phrase effectively involves being mindful of your audience and the intended level of formality.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
is required
Replaces "mandatory" with the synonym "required", maintaining a similar level of formality.
is obligatory
Substitutes "mandatory" with "obligatory", offering a more formal tone.
is compulsory
Uses "compulsory" instead of "mandatory", implying a forceful requirement.
is a must
Replaces "mandatory" with the idiom "a must", making it less formal.
is essential
Substitutes "mandatory" with "essential", highlighting the importance of the action.
is imperative
Uses "imperative" instead of "mandatory", suggesting a critical and urgent need.
is a necessity
Replaces "mandatory" with the noun phrase "a necessity", emphasizing the indispensable nature of the requirement.
is unavoidable
Substitutes "mandatory" with "unavoidable", focusing on the lack of alternatives.
is non-negotiable
Uses "non-negotiable" instead of "mandatory", indicating the requirement cannot be discussed or altered.
is a prerequisite
Replaces "mandatory" with "a prerequisite", highlighting that it is a condition that must be met beforehand.
FAQs
What does "is mandatory" mean?
The phrase "is mandatory" means something is required by a rule or law and must be done. It signifies that there is no option to avoid or skip the action or requirement.
When should I use "is mandatory" in my writing?
Use "is mandatory" when you want to emphasize the obligatory nature of something, especially in formal contexts like legal documents, official announcements, or academic guidelines. For less formal situations, consider using "is required" or "is necessary".
What are some alternatives to "is mandatory"?
Some alternatives to "is mandatory" include "is obligatory", "is compulsory", "is essential", and "is a must", depending on the level of formality you want to convey.
Is there a difference between "is mandatory" and "is required"?
While both phrases indicate a requirement, "is mandatory" often implies a stronger, more formal obligation, often enforced by a rule or law. "Is required" is generally a bit less forceful and can be used in a broader range of situations.
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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
83%
Authority and reliability
4.6/5
Expert rating
Real-world application tested