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
responsible by
Grammar usage guide and real-world examplesUSAGE SUMMARY
"responsible by" is not a valid phrase in written English.
Instead, you could use the phrase "responsible for" to indicate that someone is accountable for something. For example: The manager was responsible for ensuring that the project was completed on time.
⚠ May contain grammatical issues
News & Media
Science
Academia
Alternative expressions(9)
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
Anxiety in response to hospitalisation has been proposed to be responsible by initiating the biochemical response termed 'fight or flight'.
Science
He was tried and found not responsible by reason of insanity in 1991.
News & Media
After his defection there, Sergeyev and Ms. Dudinskaya were implicitly held responsible by Soviet authorities.
News & Media
"That's the only way: you cannot just claim to be responsible by producing a policy".
News & Media
It was "not responsible by reason of insanity" -- rather than "guilty by reason of insanity".
News & Media
The motorman, Conductor and inspector were held responsible by an inquiry.
News & Media
(D) All officers to whom managers of such components are responsible, by component.
Academia
It also required that the party deemed responsible by the government compensate victims.
News & Media
He was deemed not responsible by reason of insanity and sent to various hospitals, winding up at Kirby.
News & Media
"The man who did this has been held responsible by another jury," Mr. Tacopina recalled telling Mr. Brancato's jury.
News & Media
It should ask Congress for authority to hold lenders more responsible by reducing its insurance coverage from 100%to50%0%.
News & Media
Expert writing Tips
Best practice
Always use "responsible for" instead of "responsible by". The preposition "for" correctly indicates that someone is accountable for something.
Common error
Avoid using "by" after "responsible". The correct preposition is "for". Using "responsible by" can confuse readers and make your writing appear unprofessional.
Source & Trust
84%
Authority and reliability
2.2/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "responsible by" is generally used to attribute accountability or causation. However, Ludwig AI indicates that it is not a valid phrase in written English. The correct form is "responsible for".
Frequent in
News & Media
39%
Science
39%
Academia
13%
Less common in
Formal & Business
7%
Encyclopedias
1%
Wiki
1%
Ludwig's WRAP-UP
In summary, while the phrase "responsible by" appears frequently in various sources, Ludwig AI marks it as grammatically incorrect. The correct phrase is "responsible for", which should be used to indicate accountability. The prevalence of "responsible by" suggests a common error, making it crucial to use the correct preposition to ensure clarity and professionalism in writing. It appears across news, science, and academic contexts, but its incorrectness makes it unsuitable for formal use.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
responsible for
Replaces the incorrect preposition "by" with the correct preposition "for" to indicate accountability.
accountable for
Substitutes "responsible" with "accountable", maintaining a formal tone and similar meaning.
held liable by
Emphasizes the legal aspect of responsibility, particularly in contexts of blame or fault.
caused by
Shifts focus from responsibility to direct causation, indicating that something is the direct reason for something else.
due to
Indicates a cause-and-effect relationship, similar to "caused by", but often used for more general explanations.
in charge of
Implies authority and oversight, suggesting responsibility through management or supervision.
answerable to
Highlights the obligation to explain or justify actions to a higher authority.
attributable to
Suggests that something can be credited or blamed on a particular source or cause.
owing to
Formal alternative to "due to", indicating causation or reason.
at fault for
Places direct blame or culpability on someone or something.
FAQs
How can I correct the phrase "responsible by"?
The correct phrase is "responsible for". The preposition "for" is used to indicate what someone is accountable for.
What does it mean to be "responsible for" something?
To be "responsible for" something means you are in charge of it or accountable for its outcome. It implies a duty to ensure things go well.
Is there a difference between "responsible by" and "accountable for"?
The phrase "responsible by" is grammatically incorrect. A correct alternative is "accountable for", which emphasizes being required to answer for one's actions or decisions.
What are some synonyms for "responsible for"?
Synonyms include "in charge of", "liable for", and "answerable to". The best choice depends on the specific context.
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
84%
Authority and reliability
2.2/5
Expert rating
Real-world application tested