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
to be optional
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "to be optional" is correct and usable in written English.
It can be used when indicating that something is not mandatory and can be chosen or declined at the discretion of the individual. Example: "Participation in the workshop is to be optional, allowing attendees to decide if they want to join."
✓ Grammatically correct
News & Media
Science
Wiki
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
42 human-written examples
("Knowledge" and "Uncertainty" appear to be optional).
News & Media
For all, learning seems to be optional.
News & Media
"In the future swimming isn't going to be optional".
News & Media
(The offensive gesture turns out to be optional).
News & Media
The college also said it would prefer the placements to be optional.
News & Media
State law and its enforcers have too often allowed ethics in Albany to be optional.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
16 human-written examples
And if you want--this appears to be optional--you can give the crystal a kiss afterward.
News & Media
Solution: A virtual curriculum based on my needs as a student I believe that we must get rid of general education requirements and make them what they ought to be- optional electives.
News & Media
The hit criterion for the Ser-TM5 feature was also redefined from being essential for hits to being optional.
Science
The program will apparently be optional to OEMs, so not all companies will be participating.
News & Media
There may be optional instructions to the singers; i.e. Unison.
Wiki
Expert writing Tips
Best practice
Use "to be optional" to clearly indicate that participation or inclusion is not mandatory, giving the recipient control over their involvement. For example, "Attendance at the workshop is to be optional."
Common error
Avoid using "to be optional" when describing something that is legally required or essential for a process. This phrase implies a choice, which would be misleading in such situations.
Source & Trust
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "to be optional" functions as a predicate adjective phrase. It describes the state of something as being not compulsory, indicating a choice or a lack of obligation. Ludwig provides many examples that show its diverse use across different source types.
Frequent in
News & Media
42%
Science
28%
Wiki
13%
Less common in
Encyclopedias
4%
Formal & Business
4%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "to be optional" is a grammatically sound and versatile expression used to indicate that something is not mandatory, offering a choice or flexibility. As Ludwig AI confirms, its use spans across numerous contexts, particularly in news, scientific, and general informational sources. When crafting your writing, ensure that "to be optional" accurately reflects the intended meaning of choice rather than obligation. Consider alternatives like "to be voluntary" or "to be discretionary" for nuanced contexts. By understanding its function and potential for misuse, you can effectively incorporate "to be optional" into your writing.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
to be not required
Replaces "optional" with a more direct expression of absence of requirement.
to be at one's discretion
Shifts focus to the individual's power to decide.
to be voluntary
Indicates that participation is based on free will.
to be elective
Suggests a choice among several options.
to be permissive
Implies that something is allowed but not enforced.
to be non-compulsory
A more formal way of saying not required.
to be discretionary
Highlights the freedom to choose based on circumstances.
to be a choice
Simplifies the concept to a basic act of choosing.
to be subject to preference
Indicates that selection depends on individual liking.
to be up to the individual
Places the decision-making power squarely on one person.
FAQs
How can I use "to be optional" in a sentence?
You can use "to be optional" to indicate that something is not required. For example, "The side dish is "to be optional", allowing guests to choose what they prefer."
What can I say instead of "to be optional"?
Alternatives include phrases like "to be voluntary", "to be elective", or "to be discretionary" depending on the specific context.
Is it grammatically correct to say "to be optional"?
Yes, the phrase "to be optional" is grammatically correct and commonly used in English to describe something that is not mandatory.
What's the difference between "to be optional" and "to be required"?
"To be optional" means something is not mandatory and can be chosen or declined, while "to be required" means it is necessary and must be done or included.
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
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested