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
what's missing
Grammar usage guide and real-world examplesAlternative expressions(20)
what is required
what is needed
what remains to be done
what is necessary
what is essential
what must be done
what is mandatory
what is requested
what is indispensable
what is preferred
all that is outweighed
all that s needed
all that are necessary
all that is suitable
everything which is needed
that's sufficient
all that will be necessary
all that remains
all that is done
what is adequate
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
That's what's missing from today's children's TV.
News & Media
That's what's missing from Saldana's performance.
News & Media
That's what's missing.
News & Media
"That's what's missing right now".
News & Media
Maybe that's what's missing today.
News & Media
Which made us wonder, What's missing?
News & Media
"I invented that because it's what's missing.
News & Media
But, here's what's missing.
News & Media
"What's missing?" he asked.
News & Media
"That's what's missing with FIFA.
News & Media
"What's missing?" he asked again.
News & Media
Expert writing Tips
Best practice
Be mindful of the level of formality required by your writing context. Although generally acceptable, consider more formal alternatives like "what is lacking" for professional or academic settings.
Common error
A common error is using a plural verb form when the subject implied by "what's missing" is singular. Ensure the verb agrees with the specific element that is absent. For instance, instead of "What's missing are details", write "What's missing is detail".
Source & Trust
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "what's missing" primarily functions as an interrogative clause or a question phrase. It introduces a question about an element that is absent or lacking in a particular context. Ludwig highlights numerous instances in news, media, and everyday conversations.
Frequent in
News & Media
40%
Formal & Business
25%
Science
15%
Less common in
Wiki
5%
Encyclopedias
5%
Reference
5%
Ludwig's WRAP-UP
In summary, "what's missing" is a versatile question phrase used to identify absent elements across various contexts. While grammatically sound and frequently used, especially in news and media, it may benefit from more formal alternatives in academic or professional settings. Ludwig confirms its widespread usage and acceptability, noting that ensuring subject-verb agreement is crucial for clarity. Consider alternative phrases like "what is lacking" for a more formal tone. As Ludwig AI indicates, this phrase is a common and effective way to inquire about deficiencies or gaps in information and action.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
what is lacking
Highlights a deficiency or shortage, changing the phrasing slightly.
what's not included
Focuses on exclusion rather than absence, changing the semantic emphasis.
what's left out
Similar to "what's not included" but more colloquial.
what is absent
Focuses on the state of being not present, altering the original question structure.
what's deficient
Highlights the state of being inadequate or incomplete.
what is required
Similar to "what is needed" but with a slightly more formal tone.
what is needed
Shifts the focus to required elements rather than absent ones.
what's the shortfall
Focuses specifically on the gap or deficit.
what remains to be done
Emphasizes uncompleted actions rather than missing components.
what is outstanding
Emphasizes what has not yet been provided or addressed.
FAQs
How can I use "what's missing" in a sentence?
You can use "what's missing" to inquire about an element that is absent or needed. For example, "What's missing from this recipe is salt" or "What's missing in your argument is evidence".
What's a more formal way to say "what's missing"?
For a more formal tone, you can use phrases like "what is lacking" or "what is absent". These options provide a similar meaning but with increased formality.
Is it correct to use "what's missing" in academic writing?
While "what's missing" is generally acceptable, academic writing often benefits from more precise and formal language. Consider alternatives such as "what is deficient" or specifying the exact deficiency directly.
What are some common mistakes to avoid when using "what's missing"?
Avoid using a plural verb when the subject is singular. For instance, instead of "What's missing are the details", it should be "What's missing is detail". Ensure subject-verb agreement for clarity.
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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
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested