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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
sorry for not
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase 'sorry for not' is correct and usable in written English.
You can use it to apologize for failing to do something, such as in the example sentence: "I'm sorry for not responding sooner to your email."
✓ Grammatically correct
News & Media
Alternative expressions(6)
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
59 human-written examples
He was sorry for not wanting me.
News & Media
I'm sorry for not trusting you.
News & Media
66 So sorry for not liking Braveheart.
News & Media
But most of all, we are sorry for not listening better".
News & Media
"I'm really sorry for not opening the door," he said, and then shuffled away.
News & Media
"It's the best way they can say sorry for not protecting us".
News & Media
43 Sorry for not accepting Scottish banknotes as legitimate currency south of the border.
News & Media
70 Sorry for not mentioning lots of great Scottish film makers, painters, composers, musicians.
News & Media
"Sorry for not calling," I say, "I've had a pretty rough week".
News & Media
"When I visit this kind of place, I feel sorry for not being an artist," he said.
News & Media
There are usually several entries that I feel sorry for not knowing, and I vow to do better next time.
News & Media
Expert writing Tips
Best practice
When using "sorry for not", clearly state the action you are apologizing for to avoid ambiguity. For example, "I'm sorry for not calling you back sooner."
Common error
Avoid using "sorry for not" without specifying what you are apologizing for. A vague apology can sound insincere. Always mention the specific action or inaction to make your apology meaningful.
Source & Trust
89%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "sorry for not" functions as an apologetic expression, specifically used to convey regret or remorse for failing to perform a certain action. As Ludwig AI states, it is generally deemed correct.
Frequent in
News & Media
79%
Wiki
9%
Science
6%
Less common in
Formal & Business
3%
Encyclopedias
1%
Reference
1%
Ludwig's WRAP-UP
In summary, the phrase "sorry for not" is a very common and grammatically correct way to express regret for an omission or failure to act. As Ludwig AI confirms, its versatility makes it suitable for a range of contexts, though more formal alternatives exist. When using this phrase, it's best practice to clearly state the action you are apologizing for, avoiding vague apologies that can sound insincere. While highly prevalent in News & Media, less frequent contexts include formal business communications. Related phrases include "apologize for failing to" and "regret not doing", each offering slightly different nuances in meaning and formality.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
apologize for failing to
Emphasizes the failure to meet an expectation or obligation.
regret not doing
Highlights the feeling of regret about a missed action or opportunity.
express remorse for neglecting to
Formal way of expressing regret for not taking care of a task or duty.
offer apologies for the omission of
Focuses on the act of leaving something out and the subsequent apology.
I should have
Implies regret for not doing something in the past.
pardon me for not
More formal way of seeking forgiveness for not doing something.
forgive me for not
Asks for forgiveness, emphasizing personal responsibility.
excuse me for not
Seeks understanding for a failure to act.
I am at fault for not
Places blame on oneself for the omission.
my bad for not
Informal way of admitting fault and apologizing.
FAQs
How can I use "sorry for not" in a sentence?
Use "sorry for not" when you want to apologize for failing to do something. For example, "I'm sorry for not attending your party." or "I'm sorry for not replying to your email earlier."
What is a more formal way to say "sorry for not"?
For a more formal tone, consider using "I apologize for failing to" or "Please accept my apologies for not." These phrases are suitable for professional or official communications.
What can I say instead of "sorry for not"?
You can use alternatives like "apologize for failing to", "regret not doing", or "express remorse for neglecting to" depending on the context.
Is it correct to say "I am sorry to not" instead of "sorry for not"?
While "sorry for not" is generally used to express regret for something you didn't do, "sorry to not" isn't as common and might sound awkward. A better way to phrase it might be "I'm sorry that I didn't."
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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