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
didn't understand
Grammar usage guide and real-world examplesAlternative expressions(20)
failed to grasp
was unaware of
missed the point
was oblivious to
was ignorant of
sorry I didn't quite understand
he didn't understood
he drew a blank
he couldn't make sense of it
he didn't understand
he failed to grasp
he didn't comprehend
he was unable to understand
he missed the point
he was clueless
he was perplexed
he was in the dark
That went over my head
I didn't understand
I didn't get it
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
57 human-written examples
We just didn't understand".
News & Media
I didn't understand them.
News & Media
He didn't understand her.
News & Media
The doctor didn't understand.
News & Media
"I didn't understand.
News & Media
I didn't understand you.
News & Media
"The school didn't understand.
News & Media
But he didn't understand.
News & Media
I still didn't understand.
News & Media
Phoebe didn't understand.
News & Media
We didn't understand".
News & Media
Expert writing Tips
Best practice
Use "didn't understand" to clearly and directly express a lack of comprehension. It's versatile and suitable for various contexts, from formal to informal settings.
Common error
Avoid using "didn't understand" when you mean "disagreed with" or "didn't accept". Lack of understanding implies a cognitive gap, not necessarily a difference of opinion.
Source & Trust
91%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "didn't understand" functions as a verb phrase expressing a past lack of comprehension. Ludwig AI examples show it used to describe a failure to grasp information, ideas, or emotions.
Frequent in
News & Media
98%
Science
1%
Formal & Business
1%
Less common in
Academia
0%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
The phrase "didn't understand" is a common and grammatically sound way to express a lack of comprehension. Ludwig AI analysis, based on a substantial number of real-world examples from authoritative sources like The New York Times and The Guardian, confirms its frequent use across diverse contexts, particularly in News & Media. While simple and direct, it's crucial to use this phrase accurately, ensuring you're truly conveying a lack of understanding rather than a disagreement. Related phrases such as "failed to grasp" or "didn't comprehend" offer subtle variations in meaning, allowing for more precise communication.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
didn't comprehend
A more formal synonym for "didn't understand", suggesting a lack of complete understanding.
failed to grasp
Implies a failure to comprehend something, often due to complexity or difficulty.
missed the point
Indicates a failure to understand the central or most important aspect of something.
couldn't make sense of
Indicates an inability to find a logical or coherent meaning in something.
was unaware of
Focuses on a lack of knowledge or consciousness about something.
didn't catch on
Implies a slow or delayed understanding, often of something subtle or implied.
didn't get the message
Implies a failure to understand a communicated idea or intention.
was oblivious to
Suggests a complete lack of awareness, often implying that the person should have been aware.
was in the dark about
Suggests a lack of information or understanding, often implying secrecy or exclusion.
was ignorant of
Highlights a lack of knowledge about a specific subject or fact.
FAQs
What does "didn't understand" mean?
The phrase "didn't understand" indicates a lack of comprehension or failure to grasp the meaning of something. It implies that the individual was unable to make sense of information, ideas, or situations.
How can I use "didn't understand" in a sentence?
You can use "didn't understand" in a variety of sentences. For example: "I "didn't understand" the instructions", "He "didn't understand" her point of view", or "They "didn't understand" the consequences of their actions."
What are some alternatives to "didn't understand"?
Alternatives to "didn't understand" include phrases like "didn't comprehend", "failed to grasp", or "was unaware of". The best choice depends on the specific context and nuance you want to convey.
Is it better to say "didn't understand" or "did not understand"?
Both "didn't understand" and "did not understand" are grammatically correct. "Didn't understand" is a contraction and is more common in informal contexts, while "did not understand" is slightly more formal and can be used for emphasis.
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
91%
Authority and reliability
4.6/5
Expert rating
Real-world application tested