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
I didn't catch that
Grammar usage guide and real-world examplesUSAGE SUMMARY
'I didn't catch that' is correct and usable in written English
You can use it when you didn't understand something that someone said. For example: Person 1: I'm going to the grocery store tomorrow. Person 2: Really? What are you going to get? Person 1: I didn't catch that. Could you please repeat it?
✓ Grammatically correct
News & Media
Wiki
Alternative expressions(20)
could you repeat that
what did you say
I didn't understand that
I missed that
sorry I didn't quite understand
I haven't been listening
i missed that
My mind was elsewhere
I failed to listen
can you repeat that
i overlooked that
i wasn't paying attention
i missed it
I didn't realize that
I overlooked that
I was unaware of that
could you elaborate
I wasn't aware of that
I failed to notice that
I wasn't paying attention
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
11 human-written examples
"I didn't catch that".
News & Media
(Or maybe The Kardashians. I don't know. I didn't catch that. I figure they're probably the winners, cash-wise anyway).
News & Media
Emma: I didn't catch that!
News & Media
CM: No, I didn't catch that, we were riding in from another gig.
News & Media
Unfortunately 99% of you don't have the guts to repost this!" Oh, I'm sorry, I didn't catch that, as I was too busy actually spending time with my sibling and not just making the claim with a pitiful 154 characters.
News & Media
If they say something rude, say, "Sorry, I didn't catch that".
Wiki
Human-verified similar examples from authoritative sources
Similar Expressions
46 human-written examples
The funnest part 'bout it youcandosom'emlikethis, "fuuccckuuuuuuuippp". Now if you didn't catch that, I just went back in time.
News & Media
"Well bowled, young man," he said as he walked past, "but you didn't catch that".
News & Media
But male toys didn't catch that wave.
News & Media
Maybe you didn't catch that... AS PART OF THE COLUMBUS DAY SALE.
News & Media
Okay, we didn't catch that entire episode, but we read all about it here.
News & Media
Expert writing Tips
Best practice
Use "I didn't catch that" when you genuinely didn't hear or understand something. It's a polite way to ask for clarification without blaming the speaker.
Common error
Avoid using "I didn't catch that" excessively, especially in professional settings. Vary your responses with alternatives like "Could you please clarify?" or "I'm sorry, I didn't quite understand."
Source & Trust
87%
Authority and reliability
4.3/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "I didn't catch that" primarily functions as an interrogative response. It politely indicates that the speaker did not hear or understand what was previously said and requests a repetition or clarification. Ludwig provides various examples of its use in real-world contexts.
Frequent in
News & Media
40%
Wiki
20%
Science
15%
Less common in
Formal & Business
10%
Encyclopedias
5%
Academia
5%
Ludwig's WRAP-UP
In summary, "I didn't catch that" is a polite and generally acceptable way to indicate that you didn't hear or understand something. According to Ludwig, this phrase is grammatically correct and is considered neutral in terms of formality. It's commonly used in News & Media and Wiki contexts. However, varying your responses with alternatives is recommended to avoid overuse, especially in professional settings. The examples provided by Ludwig showcase its usage across diverse scenarios, helping to understand its proper application and context.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
I didn't hear you
Focuses on the auditory aspect, meaning the speaker didn't perceive the sound.
I didn't understand that
Shifts the focus to comprehension rather than simply hearing the words.
Could you repeat that?
A direct request for the speaker to say the information again.
What did you say?
A more informal way of asking for a repetition.
Pardon?
A very brief and polite way to ask someone to repeat themselves.
Excuse me?
Similar to "pardon", often used to indicate you didn't hear or understand.
I missed that
Implies that you were not paying attention or were distracted.
I didn't get that
A more casual way of saying you didn't understand.
Come again?
An informal way to ask for repetition, common in some dialects.
Say that again?
Another informal way to request a repetition.
FAQs
What can I say instead of "I didn't catch that"?
You can use alternatives like "I didn't hear you", "could you repeat that", or "what did you say" depending on the context.
Is "I didn't catch that" formal or informal?
"I didn't catch that" is generally considered neutral to slightly informal. In highly formal situations, consider using "I beg your pardon" or "Could you please repeat that?"
How to use "I didn't catch that" in a sentence?
You can use "I didn't catch that" directly after someone says something you didn't understand. For example: "I'll meet you at the usual spot." "I didn't catch that. Where are we meeting?"
What's the difference between "I didn't catch that" and "I didn't understand that"?
"I didn't catch that" implies you didn't hear or perceive the words properly, while "I didn't understand that" suggests you heard the words but didn't grasp their meaning.
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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
87%
Authority and reliability
4.3/5
Expert rating
Real-world application tested