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
Fill in the blanks
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "Fill in the blanks" is correct and usable in written English.
It is typically used in contexts where someone is asked to complete missing information in a text or form. Example: "In the exercise, please fill in the blanks with the appropriate words to complete the sentences."
✓ Grammatically correct
News & Media
Wiki
Science
Alternative expressions(5)
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
57 human-written examples
Fill in the blanks: Ford grew up in.
News & Media
Fill in the blanks what could have happened".
News & Media
Fill In The Blanks: Kurt Andersen: Too _____________ To Fail.
News & Media
Fill in the blanks.
Science & Research
Fill in the blanks for each character.
Wiki
Fill in the blanks if you used 3rd party guidebooks.
Wiki
We fill in the blanks.
News & Media
"You can fill in the blanks".
News & Media
People sort of fill in the blanks".
News & Media
I'd rather fill in the blanks.
News & Media
You'll have to fill in the blanks.
News & Media
Expert writing Tips
Best practice
In creative writing, "fill in the blanks" can be used metaphorically to describe situations where details are left unsaid or are open to interpretation.
Common error
While clear, "fill in the blanks" can become repetitive. Vary your language with synonyms like "complete the missing information" or "supply the details" to maintain reader engagement.
Source & Trust
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "fill in the blanks" primarily functions as an instruction or a request to complete missing information. As Ludwig AI explains, it is commonly used in exercises, forms, and tests where information is intentionally omitted and needs to be supplied.
Frequent in
News & Media
46%
Wiki
10%
Science
8%
Less common in
Formal & Business
0%
Encyclopedias
0%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "fill in the blanks" is a grammatically sound and frequently used expression that instructs someone to complete missing information. As Ludwig AI confirms, it's versatile, appearing across various contexts from educational materials to news articles. While generally neutral in tone, it's essential to use it judiciously and vary the language to avoid repetition. Remember to provide sufficient context when using the phrase to ensure clarity. Alternatives such as "complete the missing information" or "supply the details" can enhance the flow and engagement of your writing.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
Complete the missing information
This alternative focuses on the act of finishing something by adding what's lacking.
Supply the missing details
This suggests providing specific pieces of information that are absent.
Fill the gaps
This alternative is more concise and uses the metaphor of gaps needing to be filled.
Provide the missing pieces
This implies that there are separate elements that need to be added to make something whole.
Add the necessary information
This alternative highlights the addition of required information.
Complete the form
This is specifically relevant when talking about forms or documents.
Enter the required data
This is suitable in the context of entering data into a system or document.
Provide the missing words
This is specific to completing sentences or texts.
Add the finishing touches
This implies adding the final elements to complete something.
Answer the questions
This directs focus to answering questions.
FAQs
How can I use "Fill in the blanks" in a sentence?
You can use "fill in the blanks" to instruct someone to complete missing information, like in the sentence, "Please "fill in the blanks" on the application form".
What can I say instead of "Fill in the blanks"?
You can use alternatives like "complete the missing information", "supply the missing details", or "fill the gaps" depending on the context.
Is "fill in the blank" or "fill in the blanks" correct?
While "fill in the blank" can be used when there is only one blank to complete, ""fill in the blanks"" is more commonly used when there are multiple missing pieces of information.
When is it appropriate to use "Fill in the blanks" metaphorically?
You can use "fill in the blanks" metaphorically when discussing incomplete stories or situations where details are left to the imagination. For example, "The movie left much to the audience to "fill in the blanks"".
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
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested