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
it was mistake
Grammar usage guide and real-world examplesUSAGE SUMMARY
The sentence "it was a mistake" is correct and can be used in written English.
You can use it when you want to express that something happened that was wrong, incorrect, misguided, or unintentional. For example, "I'm sorry, I forgot to pay the utility bill. It was a mistake."
News & Media
Alternative expressions(20)
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
Zebari denied that it was mistake for US to withdraw all its forces from Iraq.
News & Media
He said it was mistake for Edward Snowden to flee to Russia.
News & Media
"I think it was mistake but it was successful," he said over several days of interviews.
News & Media
To be told the flight was cancelled a few hours before departure, only to then be told that it was mistake, would be extremely annoying – incredibly so if you'd just spent almost £400 on an alternative flight.
News & Media
It was mistake from him.
News & Media
It doesn't exist and it was mistake made by the Web team.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
49 human-written examples
If so, it was mistaken".
News & Media
His lawyer said it was mistaken identity.
News & Media
It was mistakes in the field that cost us.
News & Media
It was mistaken because it came from Joaquin".
Wiki
It is mistake after mistake.
News & Media
Expert writing Tips
Best practice
When using the phrase "it was mistake", consider adding context to clarify the type or consequence of the error. For example, "it was a costly mistake" or "it was a simple mistake".
Common error
While "it was mistake" is understandable, it lacks the grammatical correctness of "it was a mistake". Use the grammatically correct form to avoid potential confusion or misinterpretation.
Source & Trust
82%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "it was mistake" functions as a statement acknowledging an error or fault. Although Ludwig AI indicates that the sentence is not fully grammatically correct, it's often used to express regret or recognition of an unintended action.
Frequent in
News & Media
75%
Formal & Business
15%
Wiki
5%
Less common in
Science
2%
Encyclopedias
1%
Academia
2%
Ludwig's WRAP-UP
In summary, while the phrase "it was mistake" is frequently used, it's important to recognize that it lacks grammatical correctness. Ludwig AI indicates that although understandable, the grammatically correct form is "it was a mistake". It serves to acknowledge an error, often in a neutral to informal context, particularly in news and media. For formal settings, alternatives like "it was an error" or "it was a misjudgment" are more appropriate. Remember to consider the audience and context when choosing between "it was mistake" and its more formal counterparts to ensure clear and effective communication.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
It was an error
Replaces "mistake" with the synonym "error", maintaining the same structure and meaning.
It was a blunder
Substitutes "mistake" with "blunder", implying a more significant error.
It was a misjudgment
Replaces "mistake" with "misjudgment", suggesting poor decision-making.
It was my fault
Shifts the focus to personal responsibility using "fault" instead of "mistake".
It was an oversight
Substitutes "mistake" with "oversight", indicating something was missed unintentionally.
It was a slip-up
Uses "slip-up" instead of "mistake", implying a minor, unintentional error.
It was a screw-up
Replaces "mistake" with "screw-up", which is a more informal and stronger term.
It was unintended
Focuses on the lack of intention behind the action, using "unintended" instead of "mistake".
That was incorrect
Changes the structure to focus on the correctness of the action using "incorrect" instead of "mistake".
It was an inaccuracy
Replaces "mistake" with "inaccuracy", highlighting a lack of precision or correctness.
FAQs
Is "it was mistake" grammatically correct?
While commonly used, the phrase "it was mistake" is grammatically informal. The grammatically correct form is "it was a mistake".
What's a more formal way to say "it was mistake"?
A more formal way to express this sentiment is "it was an error" or "it was a misjudgment". You could also consider stating, "a mistake occurred".
How can I use "it was a mistake" in a sentence?
You can use "it was a mistake" to acknowledge an error or misstep. For example, "I apologize for the delay; "it was a mistake" on our part."
What can I say instead of "it was mistake" to emphasize who is responsible?
To emphasize responsibility, you could say "it was my fault" or "I made a mistake".
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
82%
Authority and reliability
4.1/5
Expert rating
Real-world application tested