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
scratched the surface
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "scratched the surface" is correct and usable in written English.
It is typically used to indicate that only a small part of a topic has been explored or understood. Example: "After reviewing the initial data, we realized we had only scratched the surface of the issue."
✓ Grammatically correct
News & Media
Academia
Formal & Business
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
56 human-written examples
I've only scratched the surface.
News & Media
I've barely scratched the surface.
News & Media
"We have not scratched the surface.
News & Media
But that only scratched the surface.
News & Media
But I've only scratched the surface.
Academia
And we still haven't scratched the surface.
News & Media
And he has only scratched the surface.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
4 human-written examples
Scratch the surface.
News & Media
That just scratches the surface.
News & Media
Scratching the surface.
Academia
This barely scratches the surface.
News & Media
Expert writing Tips
Best practice
Use the phrase "scratched the surface" to indicate that an initial exploration of a topic has revealed potential for deeper investigation. For example, "The initial study scratched the surface of the problem, indicating the need for further research."
Common error
Avoid using "scratched the surface" in a literal sense (e.g., describing damage to an object). This phrase is primarily idiomatic and should be used to describe a superficial understanding or exploration, not physical markings.
Source & Trust
88%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "scratched the surface" functions as an idiomatic expression, often used as a verb phrase to indicate that only a small part of a subject, problem, or situation has been examined or understood. Ludwig AI confirms its correctness and usability.
Frequent in
News & Media
70%
Academia
15%
Formal & Business
10%
Less common in
Science
3%
Encyclopedias
1%
Wiki
1%
Ludwig's WRAP-UP
The idiom "scratched the surface" is a common and grammatically sound expression used to convey that an exploration or understanding of a topic is preliminary or incomplete. As Ludwig AI confirms, it's readily usable in written English. With numerous examples from sources like The New York Times, The New Yorker, and Forbes, the phrase appears most frequently in news and media contexts. While versatile, it's important to avoid literal interpretations and to consider more formal alternatives for highly academic or technical writing. This analysis highlights its widespread usage and idiomatic strength, making it a valuable phrase for expressing initial engagement with complex subjects.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
only touched upon
Suggests a very brief examination, implying even less depth than "scratched the surface".
barely skimmed the top
Emphasizes the superficial nature of the exploration.
only begun to explore
Focuses on the starting point of an investigation, implying much more remains to be discovered.
only addressed superficially
Highlights the lack of depth in dealing with a subject.
left much unexplored
Focuses on the large amount of the subject that was not explored.
only made a start on
Similar to "only begun to explore", but perhaps implying that very little work has been done
only given a glimpse of
Emphasizes how little someone has been allowed to see or understand.
not delved deeply into
A formal way of saying that a subject has not been investigated thoroughly.
failed to fully investigate
Suggests that a more thorough investigation was warranted but didn't happen.
omitted important details
It focuses on the consequence of that missing exploration of details.
FAQs
How can I use "scratched the surface" in a sentence?
You can use "scratched the surface" to express that you've only briefly touched upon a topic. For example, "This report has only "scratched the surface" of the complex issues involved."
What's the difference between "scratched the surface" and "fully explored"?
"Scratched the surface" indicates a preliminary or incomplete examination, whereas "fully explored" suggests a comprehensive and thorough investigation. If you "scratched the surface", there's much more to uncover.
What are some alternatives to "scratched the surface"?
Alternatives include "only touched upon", "barely skimmed the top", or "only begun to explore" depending on the context.
Is it appropriate to use "scratched the surface" in formal writing?
Yes, "scratched the surface" is acceptable in formal writing to convey that a topic has been only partially explored. However, be mindful of your audience and context. More formal alternatives like "not delved deeply into" may be preferable in certain situations.
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
88%
Authority and reliability
4.6/5
Expert rating
Real-world application tested