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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
completely optional
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "completely optional" is correct and usable in written English.
You can use it when describing something that is not necessary and can be omitted or ignored. For example, "This task is completely optional, so you can choose whether to complete it or not."
✓ Grammatically correct
Wiki
News & Media
Academia
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
There are two things that you can do, that are completely optional, before saying that you have completed your masterpiece.
Wiki
The Postassessment is completely optional.
Academia
This contest is completely optional!
First, I'm happy to report that it's completely optional this year!
News & Media
Because when Google's chairman, Eric Schmidt, told NPR's Andy Carvin, "G+ is completely optional.
News & Media
Every week there will be a "homework party". This is completely optional.
Hog Contest ends on Sunday 7/01 @ 11 59 PM and is completely optional.
They're completely optional to attend and exist solely for your benefit.
Academia
Wedding favors (which are completely optional, by the way) would be an expense belonging to the wedding hosts.
News & Media
Binge-watching Breaking Bad completely optional.
News & Media
Adding notes and photos are completely optional.
News & Media
Expert writing Tips
Best practice
When using "completely optional", clearly state who has the option and what they have the option to do or not do. For example: "Attending the workshop is "completely optional" for all team members."
Common error
While useful, "completely optional" can become repetitive. Vary your language by using synonyms like "not required", "elective", or "voluntary" to keep your writing engaging.
Source & Trust
76%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "completely optional" functions as an adjective phrase modifying a noun or pronoun. It indicates that the modified element is not mandatory or required. As Ludwig AI confirms, the phrase is grammatically correct and commonly used.
Frequent in
Wiki
31%
News & Media
26%
Academia
13%
Less common in
Science
9%
Formal & Business
0%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "completely optional" is a grammatically sound and frequently used adjective phrase. As Ludwig AI validates, it effectively conveys that something is not required. It is found across diverse contexts, from academic papers and news articles to informal online content, with a neutral to slightly informal tone. While versatile, remember to vary your language using synonyms like "not required" or "elective" to maintain writing engagement. Considering all aspects, "completely optional" is a reliable and clear way to indicate the freedom of choice.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
entirely optional
Emphasizes the whole aspect of being optional.
fully optional
Highlights the complete freedom of choice.
purely optional
Stresses the lack of any obligation.
strictly optional
Implies that there are no hidden requirements.
elective
Focuses on the choice being a selection.
voluntary
Highlights the willingness to do something, without obligation.
discretionary
Implies the decision is based on personal judgment.
not required
States directly that something is not obligatory.
up to you
Indicates the decision rests with the individual.
at your discretion
Suggests the choice is based on one's judgment or preference.
FAQs
How can I use "completely optional" in a sentence?
You can use "completely optional" to describe an activity, task, or feature that individuals can choose to engage with but are not required to. For example: "The post-assessment is "entirely optional"."
What can I say instead of "completely optional"?
Alternatives to "completely optional" include phrases like "not required", "elective", "voluntary", or "discretionary", depending on the specific context.
Is it redundant to say "completely optional"?
While "optional" alone conveys the same basic meaning, adding "completely" emphasizes that there are no hidden conditions or expectations. The added emphasis can be useful for clarity.
Which is correct, "completely optional" or "totally optional"?
Both "completely optional" and "totally optional" are grammatically correct and commonly used. The choice between them often comes down to personal preference, though "completely optional" may be perceived as slightly more formal.
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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
76%
Authority and reliability
4.6/5
Expert rating
Real-world application tested