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
to sue
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "to sue" is correct and usable in written English.
It can be used when referring to the act of taking legal action against someone in a court of law. Example: "She decided to sue her former employer for wrongful termination."
✓ Grammatically correct
News & Media
Alternative expressions(19)
to file a lawsuit
to seek redress
to make a claim
to file a claim
to lodge a claim
to make a change
to make a living
to bring a claim
to have a claim
to complete a claim
to pursue a claim
lodge a complaint
file a lawsuit
initiate legal proceedings
to advance a claim
to pursue a case
to assert a claim
to press a claim
to establish a claim
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
Lawyers threatened to sue.
News & Media
He decided to sue.
News & Media
"We had to sue.
News & Media
She wanted to sue.
News & Media
Clay threatened to sue.
News & Media
I'd prefer to sue".
News & Media
Are you going to sue?
News & Media
Mr. Ackman threatened to sue.
News & Media
I'm going to sue you'".
News & Media
He threatens to sue her.
News & Media
D.S.K. threatened to sue him.
News & Media
Expert writing Tips
Best practice
When using "to sue", clearly identify who is suing whom to avoid ambiguity. For example, "The company decided to sue its supplier for breach of contract."
Common error
Be mindful that "Sue" is also a common name. Ensure the context clearly indicates whether you're referring to the act of taking legal action ("to sue") or referring to a person named Sue.
Source & Trust
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "to sue" functions as an infinitive, most commonly used as a verb phrase indicating the intention or action of initiating a legal process against someone. As Ludwig AI confirms, it is correct and widely used. Examples include sentences like "Lawyers threatened to sue" or "She wanted to sue."
Frequent in
News & Media
100%
Less common in
Science
0%
Formal & Business
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, the phrase "to sue" is a grammatically correct and very common way to express the act of initiating legal action. Ludwig AI confirms its validity, and its frequent appearance in news and media underscores its widespread use. When writing, ensure that the context clarifies who is suing whom and be mindful of potential confusion with the proper noun "Sue". Alternatives like "to file a lawsuit" or "to take legal action" can provide more formal or broader alternatives depending on the intended nuance.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
to file a lawsuit
Replaces "sue" with the more formal term "lawsuit", emphasizing the legal document initiating the action.
to take legal action
A broader term encompassing any legal steps, not just filing a lawsuit.
to bring a case against
Focuses on the act of presenting a legal case in court against someone.
to initiate proceedings
A formal way of saying starting a legal process.
to litigate
A more concise, legal term for engaging in a lawsuit.
to press charges
Specifically relates to initiating criminal legal action.
to seek redress
Implies seeking compensation or remedy for a wrong suffered.
to lodge a complaint
A formal way of submitting a grievance, often a precursor to legal action.
to prosecute
Specifically refers to the government bringing legal action in a criminal case.
to contest
To challenge or dispute something legally.
FAQs
How is "to sue" used in a sentence?
The phrase "to sue" is used to indicate the act of initiating legal action against someone. For example, "She decided "to sue" her landlord for neglecting repairs."
What are some alternatives to "to sue"?
Alternatives to "to sue" include phrases like "to file a lawsuit", "to take legal action", or "to bring a case against", depending on the context.
Which is correct, "to sue" or "sue"?
What's the difference between "to sue" and "prosecute"?
"To sue" generally refers to civil actions, where one party seeks compensation from another. "Prosecute" refers to criminal actions, where the government brings charges against an individual for violating the law.
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
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested