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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
I didn't fully understand
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "I didn't fully understand" is grammatically correct and is used in written English.
You can use it when you need to express that something wasn't clear to you. For example, if someone gave you an explanation of a difficult concept, you could say "I didn't fully understand, can you please explain it to me again?".
✓ Grammatically correct
News & Media
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
54 human-written examples
They were all wearing earpieces, which I didn't fully understand.
News & Media
I didn't fully understand this at first, but that was never going to happen.
News & Media
I didn't fully understand my parents until I finally faced up to emptying their house.
News & Media
At some level, I didn't fully understand that it wasn't on purpose.
News & Media
That's probably because I didn't fully understand what had been given to us.
News & Media
But what I didn't fully understand was that in Haiti people's spirits never really die.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
6 human-written examples
He added, "I did not fully understand the import of my words".
News & Media
Although the amount of debt I would have after graduating was apparent up front, I did not fully understand it.
News & Media
I did not fully understand the severity of the words used as English is not my first language.
News & Media
Instead, I was confronted with a blizzard of terms that I did not fully understand: origination, title services, release tracking and the like.
News & Media
The dramatist Dennis Potter said of it in the 1970s, "I did not fully understand the dread term 'terminal illness' until I saw Heathrow for myself".
News & Media
Expert writing Tips
Best practice
When using "I didn't fully understand", be specific about what you didn't understand to provide context and clarity to your audience. For example, "I didn't fully understand the implications of the new policy until the meeting."
Common error
Avoid using "I didn't fully understand" when a simple "I didn't understand" suffices. Overusing 'fully' can make your writing sound verbose and less direct.
Source & Trust
89%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "I didn't fully understand" functions as a declarative statement expressing a lack of complete comprehension. As evidenced by Ludwig, it is commonly used to convey that one had some grasp of a concept or situation but not a thorough understanding.
Frequent in
News & Media
75%
Science
15%
Formal & Business
10%
Less common in
Encyclopedias
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
The phrase "I didn't fully understand" is a grammatically correct and very common expression used to convey a partial lack of comprehension. As Ludwig AI confirms, it's appropriate for various contexts, primarily appearing in news and media. Alternatives such as "I didn't quite understand" or "It wasn't entirely clear to me" can be used to express similar meanings with slight variations in formality and emphasis. When using this phrase, it's helpful to specify what aspect you didn't fully understand to provide clarity. Avoid overusing "fully" when a simpler statement of not understanding suffices.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
I didn't fully comprehend
Replaces "understand" with "comprehend", lending a more formal tone.
I didn't quite understand
Replaces "fully" with "quite", indicating a slightly lesser degree of incomprehension.
I didn't totally understand
Substitutes "fully" with "totally", offering a slightly more emphatic tone.
I didn't completely understand
Replaces "fully" with "completely", indicating a more absolute lack of comprehension.
I didn't entirely understand
Similar to "completely", but may imply that some aspects were understood.
I didn't really understand
Uses "really" for a more casual and less formal tone.
I didn't properly understand
Implies a failure to grasp something in the correct way.
I failed to fully grasp
Uses "grasp" instead of "understand", suggesting a more active effort to comprehend.
It wasn't entirely clear to me
Shifts the focus to the clarity of the subject rather than the understanding of the speaker.
I wasn't entirely clear on
Focuses on the lack of clarity about a specific topic.
FAQs
What does "I didn't fully understand" mean?
The phrase "I didn't fully understand" means that you had some comprehension of a topic or situation but lacked a complete or thorough understanding. It implies a partial grasp rather than complete ignorance.
How can I use "I didn't fully understand" in a sentence?
You can use "I didn't fully understand" to express a lack of complete comprehension, as in, "I didn't fully understand the instructions, so I made some mistakes."
What can I say instead of "I didn't fully understand"?
You can use alternatives like "I didn't quite understand", "I didn't completely understand", or "It wasn't entirely clear to me depending on the context.
Is it better to say "I didn't understand" or "I didn't fully understand"?
It depends on the context. "I didn't understand" implies a total lack of comprehension, while "I didn't fully understand" suggests a partial understanding. Choose the phrase that accurately reflects your level of comprehension.
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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