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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
onus
Grammar usage guide and real-world examplesUSAGE SUMMARY
The word "onus" is correct and usable in written English.
It means "a moral or legal obligation or burden of responsibility" and is typically used in a figurative sense. For example: "The onus is on the company to show their commitment to reducing their environmental impact."
✓ Grammatically correct
News & Media
Formal & Business
Alternative expressions(10)
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
He told delegates he had taken a "big risk" last July when he proposed the changes, and said that the onus was now on the Conservatives to match his reforming instincts and end their reliance on big individual donors.
News & Media
But he stressed that there was a greater onus on banks and also bankers to take responsibility.
News & Media
The onus then remains with the audience when reality bites.
News & Media
But Cerf said it is not one group's onus to protect the internet.
News & Media
This is a fiscally neutral budget, with the onus still on monetary policy to provide cyclical stimulus and support growth.
News & Media
Osborne has put the onus on Labour to show it can close the gap when it comes to the public view on economic competence – on who the public wants to trust with the economy after 8 May.
News & Media
Bubb's recommendations place the onus on NHS England, central and local government to act on proposals such as a rights charter for people with learning disabilities and their families – clarifying existing rights and offering support to access these.
News & Media
An Oxford student, Jack May, has started an online petition to remove the poster, branding it "a blatant and appalling case of victim-blaming by our own government, putting the onus on the victim rather than the perpetrator".
News & Media
Alex Henderson, a tax partner at PricewaterhouseCoopers, said the allowance puts the compliance onus on to taxpayers: "If you become a higher-rate taxpayer, it's your responsibility to pay the additional tax due, and this has become more complicated.
News & Media
Having batted on to cross 500 (and secure his own double century) Ed Joyce put the onus on his bowlers to take twenty wickets in five sessions or so.
News & Media
For all of Greece to become a land of slaves?" Tsipras has said he will call a referendum – and put the onus on the Greek people – if his coalition is forced to sign a deal that runs counter to his mandate.
News & Media
Expert writing Tips
Best practice
When using "onus", be sure to clearly identify who bears the "onus" and what they are responsible for. This ensures clarity and avoids ambiguity.
Common error
Avoid placing the "onus" on individuals who lack the authority or resources to meet the obligation. Ensure that the responsibility aligns with the person or entity's capabilities.
Source & Trust
89%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The primary grammatical function of "onus" is as a noun, typically functioning as the subject or object of a sentence. It represents a burden, responsibility, or obligation, as supported by Ludwig's examples.
Frequent in
News & Media
55%
Formal & Business
25%
Science
10%
Less common in
Encyclopedias
5%
Wiki
3%
Reference
2%
Ludwig's WRAP-UP
In summary, the word "onus" is a noun that signifies a burden, responsibility, or obligation. As Ludwig AI confirms, its usage is grammatically correct and very common, primarily appearing in news and media, as well as formal business contexts. When writing, it's important to clearly define who carries the "onus" to avoid ambiguity. While alternatives such as "responsibility" or "obligation" exist, "onus" adds a layer of formality and emphasis on the burden itself. Avoid misattributing the "onus" to those without the means to fulfill it. Thus, a correct use of "onus" will improve the quality and effectiveness of your writting.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
responsibility
A broader term indicating a duty or task.
obligation
Highlights a moral or legal duty to do something.
burden of proof
Focuses specifically on the legal requirement to prove something.
duty
Similar to obligation, but can also imply a sense of moral commitment.
accountability
Emphasizes being answerable for one's actions or decisions.
liability
Focuses on legal responsibility for damages or debts.
incumbent upon
A more formal way of saying someone has a duty to do something.
charge
Implies entrusting someone with a specific responsibility or duty.
task
Refers to a specific piece of work that needs to be done.
imperative
Highlights something that is crucial or necessary.
FAQs
How to use "onus" in a sentence?
The word "onus" typically refers to a burden or responsibility. For example, "The "onus" is on the prosecution to prove the defendant's guilt."
What can I say instead of "onus"?
You can use alternatives like "responsibility", "obligation", or "burden of proof" depending on the context.
Which is correct, "onus is on" or "onus is upon"?
"Onus is on" is generally more common and acceptable in contemporary English. "Onus is upon" is also correct but sounds more formal and somewhat archaic.
What's the difference between "onus" and "duty"?
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
89%
Authority and reliability
4.6/5
Expert rating
Real-world application tested