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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
voluntary
Grammar usage guide and real-world examplesUSAGE SUMMARY
'voluntary' is a correct and usable word in written English.
You can use it when you are referring to something that has been done by choice or with free will. Example sentence: The firefighter volunteered to help the elderly couple in need, showing a great act of voluntary kindness.
✓ Grammatically correct
News & Media
Formal & Business
Science
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
Once again it shows how voluntary action can show the way, proving that a low-carbon future is an essential, achievable and urgent priority.
News & Media
For more news, opinions and ideas about the voluntary sector, join our community – it's free!
News & Media
For more news, opinions and ideas about the voluntary sector, join our community.
News & Media
Against this, the three options set out for debate would leave an individual paying an average £20,000-£22,500 under a basic partnership scheme, though some would pay far more; £20,000-£25,000 under a voluntary insurance scheme, though the uninsured might pay much more; and £17,000-£20,000 under a compulsory comprehensive scheme.
News & Media
Fellows says this trait is particularly important in the voluntary sector.
News & Media
An alternative trend emerges among those who have come from the public and voluntary sector, which is dominated by Labour MPs.
News & Media
Iran: Putin insisted lifting a five-year embargo on the delivery of air defence missiles to Iran did not undermine international sanctions since the Russian ban was voluntary.
News & Media
Legacy giving – money left to charity in a will – contributes £2bn to the voluntary sector, but only 6.7% of charities (less than 10,000) receive income in this way.
News & Media
For a person to remain "voluntary" with the looming threat of detention should they try to leave, effectively incarcerates them – but without any of the rights (for appeal, legal aid etc) that the Mental Health Act provides.
News & Media
And there were anxious murmurs from the sector earlier this month when Eco-Actif – a community interest company spin-out and sub-contractor providing support for the long-term jobless in south- east London – went into voluntary liquidation, claiming its banks considered the Work Programme too financially risky.
News & Media
"I'd like to try and work with the [other] crown representatives to work with some of those suppliers to find the most effective ways for voluntary, community and social enterprise organisations to be a really important part of their supply chains," he explains.
News & Media
Expert writing Tips
Best practice
When discussing social issues or community involvement, pair "voluntary" with "effort" or "contribution" to underscore the willing participation of individuals in positive change.
Common error
Avoid assuming "voluntary" actions are always unpaid. While often true, "voluntary" primarily means done by choice, not necessarily without compensation. Clarify compensation separately to prevent confusion.
Source & Trust
89%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The term "voluntary" primarily functions as an adjective, modifying nouns to indicate actions, agreements, or participation undertaken willingly and without compulsion. Ludwig AI confirms this through numerous examples where "voluntary" describes the nature of something being freely chosen.
Frequent in
News & Media
60%
Formal & Business
20%
Science
10%
Less common in
Academia
3%
Encyclopedias
2%
Wiki
1%
Ludwig's WRAP-UP
In summary, the adjective "voluntary" denotes actions performed willingly, without compulsion, and Ludwig AI’s analysis underscores its widespread use across various contexts, including news, business, and science. Its function is to emphasize autonomy and choice, with a register that is generally neutral to professional. The word "voluntary" should be used when it is important to emphasize that something is not required. Its frequency is deemed very common, and is most commonly used in News & Media. Common synonyms include "optional", "discretionary", and "freely chosen". Ludwig confirms that the term is grammatically correct, making it a reliable choice for clear and accurate communication.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
optional
Emphasizes the lack of compulsion; something that is not required.
discretionary
Highlights that the action is performed based on someone's judgment or choice.
of one's own accord
Stresses the self-initiated nature of the action, without external influence.
freely chosen
Focuses on the aspect of making a choice without coercion.
elective
Indicates a choice among multiple options, often in an academic or medical context.
non-compulsory
Directly negates the idea of obligation or requirement.
unforced
Emphasizes the absence of pressure or coercion.
willing
Highlights the readiness and enthusiasm to do something.
self-imposed
Implies that the action or obligation was decided upon by the individual themselves.
at will
Suggests the freedom to act or decide as one pleases.
FAQs
How can I use "voluntary" in a sentence?
You can use "voluntary" to describe actions done willingly, such as "voluntary contribution", "voluntary work", or a "voluntary agreement".
What's a good alternative to the word "voluntary"?
Depending on the context, you can use alternatives such as "optional", "discretionary", or "freely chosen".
Is "voluntary" the same as "volunteer"?
"Voluntary" is an adjective describing something done by free will, while "volunteer" is a noun referring to someone who performs a service willingly without pay. You might engage in "voluntary service" as a "volunteer".
When is it appropriate to use "voluntary" instead of "mandatory"?
Use "voluntary" when participation is a choice, not a requirement. If something is "not mandatory", it is "voluntary". In contrast, "mandatory" indicates something that must be done.
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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
89%
Authority and reliability
4.6/5
Expert rating
Real-world application tested