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
of course I understood
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "of course I understood" is correct and usable in written English.
It can be used to affirm that you have comprehended something that was previously stated, often in a context where the understanding is expected or obvious. Example: "When you explained the project details, I was paying close attention, so of course I understood what you meant."
✓ Grammatically correct
News & Media
Wiki
Science
Alternative expressions(15)
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
9 human-written examples
But of course I understood what it was about.
News & Media
Of course, I understood that there was no point in mentioning any of this to anybody.
News & Media
Of course, I understood the conversation — even if I remain doubtful I can have it two or three more times without shrieking like a crazy person.
News & Media
"My mother said, 'He's just like your father.' Of course, I understood her feelings, but I had to separate myself from her".
News & Media
I pretended it hadn't happened, but of course I understood.
News & Media
Of course I understood what had happened [between Miley and Sinead] in the past and I thought This can still work.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
49 human-written examples
Which, of course, I understand.
News & Media
"Oh, of course, I understand".
News & Media
But of course I understand their reaction".
News & Media
Of course, I understand their problems.
News & Media
"Now, of course, I understand.
News & Media
Expert writing Tips
Best practice
Employ "of course I understood" to subtly express a level of expertise or prior knowledge without sounding arrogant.
Common error
Avoid using "of course I understood" excessively in formal writing or presentations, as it can sometimes come across as dismissive or condescending. Opt for more professional alternatives like "I comprehended the information" or "I understood the details" to maintain a respectful tone.
Source & Trust
89%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "of course I understood" functions as an acknowledgment or confirmation of comprehension. It often serves to politely indicate that one has grasped the information presented, sometimes implying that the information was expected or easily understood. As Ludwig confirms, the phrase is grammatically correct and usable.
Frequent in
News & Media
67%
Wiki
8%
Science
8%
Less common in
Formal & Business
0%
Academia
0%
Encyclopedias
0%
Ludwig's WRAP-UP
In summary, "of course I understood" is a grammatically sound phrase frequently employed to express comprehension, acknowledgement, or agreement. As Ludwig confirms, the phrase is widely recognized and appropriate for use. While its register is generally neutral, it's essential to be mindful of the context; in formal settings, alternatives might be more suitable. This phrase, commonly found in News & Media sources, serves as a testament to one's understanding, often implying that the information presented was anticipated or easily grasped. So, go ahead and use "of course I understood" with confidence, but always consider your audience and the overall tone you wish to convey.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
naturally, I comprehended
Replaces "of course" with "naturally" and "understood" with "comprehended", implying a sense of ease and inherent understanding.
certainly, I grasped the meaning
Uses "certainly" instead of "of course" and "grasped the meaning" to express comprehension, suggesting a firm understanding.
it was clear to me
Indicates that the information was easily understandable, focusing on the clarity of the information rather than the act of understanding.
I followed perfectly
Emphasizes the ease with which the information was understood, implying no confusion or difficulty.
I got it immediately
Highlights the speed of understanding, suggesting that the information was grasped very quickly.
that was evident to me
Suggests that the information was obvious or easily apparent, focusing on the obviousness rather than the act of understanding.
I was already aware of that
Implies pre-existing knowledge, suggesting that the information was not new or surprising.
that was my expectation
Shows that what was said or done agreed with what the speaker supposed
I had no difficulty in understanding
Emphasizes the ease of comprehension by stating a lack of difficulty.
the message was received loud and clear
Focuses on the clarity and impact of the message, implying that it was easily understood and well-received.
FAQs
How can I rephrase "of course I understood" to sound more formal?
In formal settings, consider using alternatives like "I comprehended the information", "I understood the details", or "I was fully aware of that". These options offer a more professional tone while conveying the same meaning.
What's a more casual way to say "of course I understood"?
For informal conversations, you can use phrases like "I got it", "I understood", or "I knew that already". These options are more relaxed and suitable for everyday communication.
Is it ever inappropriate to use "of course I understood"?
Using "of course I understood" might be inappropriate if the information was complex or newly presented, as it could imply you already knew it and diminish the effort of the person explaining. In such cases, acknowledge the explanation before expressing your understanding.
What is the difference between "of course I understand" and "of course I understood"?
"Of course I understood" refers to a past event or explanation, while "of course I understand" indicates present comprehension or agreement. The choice depends on whether you are talking about something in the past or something happening now.
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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
89%
Authority and reliability
4.5/5
Expert rating
Real-world application tested