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
clear on
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "clear on" is correct and usable in written English.
It is typically used to indicate that someone understands a concept or instruction fully. Example: "I want to make sure that everyone is clear on the project deadlines before we proceed."
✓ 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
60 human-written examples
I am clear on one thing, however.
News & Media
Now let's be clear on one thing.
News & Media
Clear on all that?
News & Media
Am I clear on that?
News & Media
Be clear on your role.
News & Media
This is clear on the ground.
News & Media
I was crystal clear on that".
News & Media
The Greeks were clear on this".
News & Media
The observations are clear on that.
News & Media
It was pretty clear on the replay".
News & Media
Dibaba is clear on that ledger.
News & Media
Expert writing Tips
Best practice
When using "clear on", ensure the object of understanding is explicitly stated. For example, instead of saying "I'm clear on that", specify "I'm clear on the project requirements."
Common error
Avoid using "clear on" without specifying what you are clear about. Saying "Are we clear?" can be ambiguous. Instead, ask "Are we clear on the next steps?" for better clarity and understanding.
Source & Trust
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "clear on" functions as an adjectival phrase followed by a preposition. It's used to express a state of understanding, comprehension, or certainty regarding a particular topic or instruction. Ludwig AI confirms its grammatical correctness and usability.
Frequent in
News & Media
65%
Science
18%
Wiki
12%
Less common in
Formal & Business
2%
Reference
2%
Encyclopedias
1%
Ludwig's WRAP-UP
In summary, the phrase "clear on" is a common and grammatically sound way to express understanding or certainty. According to Ludwig AI, the phrase is correct and appears frequently in News & Media, Science, and Wiki. It's important to specify what you are "clear on" to avoid vagueness. While alternatives like "certain about" or "aware of" exist, "clear on" remains a versatile choice for various contexts. By following best practices and avoiding common errors, you can effectively use "clear on" in your writing and communication.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
have a clear understanding of
Highlights the clarity of comprehension, indicating a lack of ambiguity or confusion.
certain about
This phrase emphasizes the speaker's confidence and lack of doubt regarding a specific topic.
aware of
Focuses on knowledge or consciousness of something, suggesting familiarity with the information.
understand completely
Highlights a full grasp of the subject matter, indicating no confusion or gaps in knowledge.
have a firm grasp of
Suggests a strong and secure understanding, implying the ability to apply the knowledge effectively.
fully informed about
Stresses the completeness of the information received, suggesting access to all relevant details.
cognizant of
A more formal alternative, indicating awareness and understanding, often used in professional or academic contexts.
be well-versed in
Implies extensive knowledge and experience, suggesting a high level of expertise.
be knowledgeable about
Simply emphasizes the possession of knowledge, without necessarily implying deep expertise.
be apprised of
A formal term meaning to be informed, often used in professional settings.
FAQs
What does it mean to be "clear on" something?
Being "clear on" something means you fully understand it and have no confusion or doubts about it. It implies a complete grasp of the information or instructions.
What can I say instead of "clear on"?
You can use alternatives like "certain about", "aware of", or "understand completely" depending on the specific nuance you want to convey.
Is it better to say "clear on" or "clear about"?
Both "clear on" and "clear about" are grammatically correct and often interchangeable. However, "clear on" is more commonly used when referring to understanding a specific point or instruction, while "clear about" might be used for a broader understanding of a topic.
How to use "clear on" in a sentence?
You can use "clear on" to express that someone understands something, for example: "I want to be sure everyone is "clear on" the new policy." Or to inquire whether they understand something "Are you "clear on" your role?"
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