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
major mistake
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "major mistake" is correct and usable in written English.
It can be used to refer to a significant error or blunder in various contexts, such as personal decisions, professional actions, or assessments. Example: "Not double-checking the report before submission was a major mistake that cost us the contract."
✓ Grammatically correct
News & Media
Formal & Business
Science
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
60 human-written examples
This is a major mistake".
News & Media
I had made a major mistake.
News & Media
I think it's a major mistake.
News & Media
That would be a major mistake.
News & Media
Our major mistake was made early.
News & Media
"I think that is a major mistake".
News & Media
It would be a major mistake to do that".
News & Media
But that would be Sabathia's only major mistake.
News & Media
In retrospect, he said, "that was a major mistake".
News & Media
It was a major mistake on my part.
News & Media
"I made a major mistake at 24 years old.
News & Media
Expert writing Tips
Best practice
When using the phrase "major mistake", be specific about what the mistake was and what consequences it had. This adds clarity and impact to your writing.
Common error
Avoid using "major mistake" as a vague descriptor. Always provide context and details about the error to ensure your audience understands the gravity and implications of the situation.
Source & Trust
87%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "major mistake" functions as a noun phrase that typically serves as the object or subject complement in a sentence. It identifies and characterizes a particular error or blunder as being significant. As confirmed by Ludwig AI, it's widely used to express disapproval or regret over a substantial error.
Frequent in
News & Media
50%
Formal & Business
25%
Science
15%
Less common in
Encyclopedias
3%
Wiki
3%
Reference
4%
Ludwig's WRAP-UP
The phrase "major mistake" is a commonly used and grammatically correct expression for describing a significant error or blunder. As Ludwig AI confirms, its usage spans various contexts, from news reports to formal business communications. While it is generally neutral, more formal synonyms like "grave error" might be preferable in some situations. When using the phrase, it is best practice to specify the mistake and its consequences for clarity. Avoiding vague references will ensure the impact of your message. Alternatives like "serious error" or "critical blunder" can provide subtle differences in emphasis, enriching your writing.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
grave error
Emphasizes the serious consequences of the mistake.
terrible error
Highlights the negative qualities of the mistake.
critical blunder
Highlights the incompetence or carelessness involved in the mistake.
serious misjudgment
Focuses on the poor decision-making that led to the mistake.
significant oversight
Highlights the neglect or inattention that caused the mistake.
palpable failure
Emphasizes how evident and obvious the mistake was.
colossal failure
Emphasizes the scale and impact of the mistake.
egregious fault
Emphasizes the shocking or outrageous nature of the mistake.
unforgivable lapse
Highlights the severity and potential consequences of the mistake.
massive screw-up
Uses informal language to describe a large and impactful mistake.
FAQs
How can I use "major mistake" in a sentence?
You can use "major mistake" to describe a significant error in various contexts. For example, "Not double-checking the figures was a "major mistake" that cost the company thousands."
What are some alternatives to "major mistake"?
Alternatives include "serious error", "critical blunder", or "significant oversight", depending on the specific context.
Is "major mistake" formal or informal?
"Major mistake" is generally considered neutral and can be used in both formal and informal contexts, although more formal alternatives like "grave error" might be preferable in very formal writing.
What's the difference between "major mistake" and "minor mistake"?
"Major mistake" implies a significant error with considerable consequences, while "minor mistake" refers to a small error with little to no significant impact. The choice depends on the scale and effect of the error.
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
87%
Authority and reliability
4.6/5
Expert rating
Real-world application tested