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
filed a complaint
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "filed a complaint" is correct and usable in written English.
You can use it to describe a situation in which someone has formally reported an issue, issue or disagreement to a person or organization in a position to address it. For example, "The customer filed a complaint with the store manager after they received an incorrect order."
✓ 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
60 human-written examples
She, too, filed a complaint.
News & Media
She also filed a complaint.
News & Media
I filed a complaint.
News & Media
I've never even filed a complaint.
News & Media
The woman filed a complaint on Tuesday.
News & Media
The officer filed a complaint.
News & Media
General Kennedy filed a complaint against Maj.
News & Media
The officer has filed a complaint.
News & Media
The mother filed a complaint to compel their return.
News & Media
"We filed a complaint at the police station".
News & Media
The agency does not identify who filed a complaint.
News & Media
Expert writing Tips
Best practice
When using "filed a complaint", specify the recipient of the complaint (e.g., "filed a complaint with the police") to provide clarity and context.
Common error
Avoid using "filed a complaint" without specifying the subject or grounds of the complaint. Instead, provide details about what the complaint pertains to for better understanding.
Source & Trust
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "filed a complaint" functions as a verb phrase indicating the action of formally registering a grievance or issue. Ludwig AI confirms this through numerous examples showing its widespread use in various contexts.
Frequent in
News & Media
85%
Formal & Business
8%
Science
7%
Less common in
Academia
0%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
The phrase "filed a complaint" is a common and grammatically correct way to describe the act of formally registering a grievance or issue with an authority. As Ludwig AI confirms, this phrase is widely used across various reputable news and media outlets. When using this phrase, ensure that you specify the recipient of the complaint for clarity. Alternatives such as submitted a grievance or lodged an official protest can be used depending on the context, but it's vital to provide sufficient detail about the complaint's subject matter to avoid vagueness.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
submitted a grievance
Indicates a formal expression of dissatisfaction, often within an organizational context.
lodged an official protest
Suggests a formal and often public declaration of objection.
registered a formal objection
Emphasizes the official nature of the expressed disagreement.
made a formal accusation
Highlights the act of formally charging someone with wrongdoing.
brought charges against
Focuses on the legal action taken against someone.
reported an incident
Broader term indicating the reporting of an event that requires attention.
raised a concern
A more general way to express worry or disapproval, often less formal.
expressed dissatisfaction
Highlights the feeling of discontent without necessarily involving a formal process.
took legal action
General term referring to initiating a lawsuit or other legal process.
sought legal redress
Implies seeking a remedy through the legal system.
FAQs
What does "filed a complaint" mean?
To "file a complaint" means to officially register a grievance or issue a formal statement of dissatisfaction against someone or something, typically with an authority or organization.
What can I say instead of "filed a complaint"?
You can use alternatives like "submitted a grievance", "lodged an official protest", or "registered a formal objection" depending on the context.
Is it better to "file a complaint" or "make a suggestion"?
Filing a complaint indicates a formal issue or grievance that needs resolution, while making a suggestion offers a recommendation for improvement without necessarily implying dissatisfaction.
Who can "file a complaint"?
Anyone who has experienced an issue, injustice, or has a grievance can "file a complaint" with the relevant authority or organization.
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
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested