In 15 Seconds
- A formal way to say 'based on the reasons mentioned'.
- Used to connect evidence to a final conclusion.
- Common in legal, academic, and professional writing.
- Sounds authoritative, logical, and firmly decided.
Meaning
Think of this as a fancy way to say 'because of the reasons I just mentioned.' It is like building a house on a solid foundation of facts and then standing on that floor to make your final point. It suggests that your conclusion isn't just a guess, but is firmly supported by the evidence you've already laid out.
Key Examples
3 of 10Formally resigning from a job
The company has failed to address my safety concerns; on these grounds, I am resigning effective immediately.
The company has failed to address my safety concerns; for these reasons, I am resigning.
Academic paper conclusion
The data shows a consistent decline in species population; on these grounds, further protection is necessary.
The data shows a decline; therefore, more protection is needed.
Texting a roommate about a serious rule breach
You've missed rent three times; on these grounds, I think we need to find you a new place to live.
You've missed rent three times; based on that, you need to move out.
Cultural Background
In the US, 'on these grounds' is heavily associated with the 5th Amendment and the right against self-incrimination (though the specific phrase is usually 'on the grounds that it may incriminate me'). It carries a strong sense of individual rights. In British English, the phrase is often used in parliamentary debates and by the BBC when reporting on high court rulings. It sounds slightly more 'aristocratic' or 'traditional' than in the US. Globally, in English-medium universities, this phrase is used to maintain 'academic distance.' It allows a researcher to criticize another's work without making it a personal attack. In modern tech companies, this phrase is often used in 'Terms of Service' documents to explain why a user's account might be banned.
Use for Refusals
If you want to say 'no' in a way that prevents further argument, use this phrase. It sounds final and non-negotiable.
Don't Overuse
If you use this more than once in a single essay or speech, it starts to sound repetitive and 'lawyer-ish.'
In 15 Seconds
- A formal way to say 'based on the reasons mentioned'.
- Used to connect evidence to a final conclusion.
- Common in legal, academic, and professional writing.
- Sounds authoritative, logical, and firmly decided.
What It Means
Imagine you are building a legal case or a very serious argument. You start by laying down bricks of evidence. One brick is a fact. Another brick is a logical observation. Once you have a solid floor made of these bricks, you stand on them. In English, we call these 'grounds.' When you say on these grounds, you are literally saying 'standing on the basis of everything I just told you.' It carries a lot of weight. It sounds firm and unshakeable. It is the verbal equivalent of a judge hitting a gavel. You aren't just sharing an opinion; you are delivering a verdict based on a foundation of reasoning. It is high-level, sophisticated, and very clear. Think of it as the 'boss level' version of the word so or therefore.
How To Use It
You usually save this phrase for the end of a list. First, you explain your reasons. You might talk about why a project failed or why a rule was broken. After you have finished listing those points, you transition. You say, on these grounds, followed by your final decision. It works best in writing, but you can say it out loud if you want to sound particularly authoritative. It acts as a bridge between your evidence and your conclusion. It tells the listener, 'Pay attention, because I am about to make my final move.' It is a great way to wrap up a complex email or a formal presentation. Just don't use it to explain why you ate the last slice of pizza unless you want your roommates to think you’ve joined a debating society.
Formality & Register
This is a heavy hitter in the world of formal English. It lives in law courts, academic journals, and high-level business meetings. You will find it in the Terms and Conditions that no one reads on apps like Netflix or Uber. It is very formal. You wouldn't use it while texting your best friend about what to watch on YouTube. However, it is perfect for a LinkedIn post about a professional philosophy or a formal letter of resignation. Using it correctly shows you have a high level of English proficiency. It shows you understand how to structure a logical argument. It is the language of professionals. It’s like wearing a tuxedo; it looks great at a gala, but a bit weird at a grocery store.
Real-Life Examples
You might see this phrase in a university rejection letter: 'The applicant does not meet the minimum credit requirements; on these grounds, we cannot offer admission.' Or, in a news report about a court case: 'The evidence was obtained illegally, and on these grounds, the judge dismissed the charges.' In a modern professional setting, you might use it in an email to a client: 'The contract terms have been violated three times this month. on these grounds, we are terminating our partnership.' It’s also common in political speeches when a leader explains a new policy. Even in the world of gaming, you might see it in a forum post where a moderator explains why a player was banned for cheating. It’s everywhere that logic and rules meet.
When To Use It
Use it when the stakes are high. If you are writing a thesis for your master's degree, this phrase is your best friend. It makes your writing sound academic and rigorous. Use it when you are involved in a formal dispute, like a disagreement with a landlord or a HR issue at work. It helps you sound objective and less emotional. If you are giving a presentation to a board of directors, on these grounds adds a layer of professionalism to your recommendations. It is also useful in formal debates or when writing a letter to an editor. Essentially, any time you need to prove that your conclusion is the only logical outcome of the facts, this is the phrase to reach for.
When NOT To Use It
Avoid this phrase in casual, everyday situations. If you tell your partner, 'You forgot to take out the trash; on these grounds, I am not making dinner,' they might think you’ve spent too much time watching courtroom dramas. It is too 'stiff' for social media captions on Instagram or TikTok unless you are being intentionally funny or ironic. Don't use it when the logic is weak. If you only have one small reason, saying on these grounds (plural) sounds a bit silly. It also shouldn't be used for physical locations. You don't stand on these grounds in a park—you stand 'on this ground.' It’s about logic, not dirt! Keep it for the serious stuff.
Common Mistakes
One of the biggest mistakes is using the singular: ✗ on this ground → ✓ on these grounds. Even if you only have one main reason, the set phrase is almost always plural. Another mistake is forgetting the comma that usually follows it when it starts a sentence. ✗ On these grounds we decided to leave. → ✓ On these grounds, we decided to leave. People also sometimes confuse it with on the grounds that. While similar, on the grounds that is used *before* you give the reason (e.g., 'He was fired on the grounds that he was late'). On these grounds comes *after* the reason. Don't mix them up, or you'll sound like a confused lawyer, which is never a good look.
Common Variations
You might hear on those grounds if the speaker is referring to reasons mentioned a long time ago. Another variation is on the grounds of, which is followed by a specific noun (e.g., 'on the grounds of health and safety'). In legal contexts, you might hear on the aforementioned grounds, which is just a super-fancy way of saying 'the grounds I mentioned before.' If you want something slightly less formal, you could say for these reasons or based on this. In the UK, you might occasionally hear on these bases, but it's much less common. Stick to on these grounds if you want to be safe and sound like a pro.
Real Conversations
Professor
Student
on these grounds, you're saying I need to rewrite it?Professor
Manager
Employee
On these grounds, I suggest we pivot to the new marketing plan immediately.Manager
Judge
Lawyer
On these grounds, Your Honor, I move for a mistrial.Judge
Quick FAQ
Is it the same as 'because'? In meaning, yes. But in vibe? No way. 'Because' is a t-shirt; on these grounds is a tailored suit. Does it always refer to many reasons? Usually, yes. The word 'grounds' is plural because it implies a collection of facts. Can I use it in a text? Only if you are being dramatic or very serious with a colleague. Can it be used for positive things? Yes! 'You have exceeded all targets and improved team morale; on these grounds, we are promoting you.' It’s not just for bad news. It's just for logical news.
Usage Notes
This phrase is high-register and very formal. It is primarily used in written English (law, business, academia) to bridge a set of facts and a final conclusion. Avoid using the singular 'on this ground' and always ensure the logical reasons are stated BEFORE the phrase appears.
Use for Refusals
If you want to say 'no' in a way that prevents further argument, use this phrase. It sounds final and non-negotiable.
Don't Overuse
If you use this more than once in a single essay or speech, it starts to sound repetitive and 'lawyer-ish.'
The 'Suits' Effect
In American TV shows about lawyers, this phrase is used to show power. Use it when you want to sound like the smartest person in the room.
Examples
10The company has failed to address my safety concerns; on these grounds, I am resigning effective immediately.
The company has failed to address my safety concerns; for these reasons, I am resigning.
Connects the failure (reason) to the resignation (action).
The data shows a consistent decline in species population; on these grounds, further protection is necessary.
The data shows a decline; therefore, more protection is needed.
Commonly used in scientific or social research papers.
You've missed rent three times; on these grounds, I think we need to find you a new place to live.
You've missed rent three times; based on that, you need to move out.
Using formal language to signal the conversation is no longer 'casual'.
I've realized that my current path doesn't align with my values anymore. On these grounds, I'm starting over!
I've realized this isn't for me. For these reasons, I'm starting over!
A slightly dramatic but grammatically correct use of the phrase.
The server logs show multiple unauthorized login attempts. On these grounds, we have suspended the account.
There were hacking attempts, so we closed the account.
Used to justify a necessary but unpleasant action.
The evidence is circumstantial and weak. On these grounds, the defendant is found not guilty.
The evidence is poor, so the person is not guilty.
Classic legal usage.
✗ The weather is bad; on this ground, the flight is cancelled. → ✓ The weather is bad; on these grounds, the flight is cancelled.
The flight is cancelled because the weather is bad.
Always use the plural 'grounds' in this set phrase.
✗ On these grounds the match was stopped because it was raining. → ✓ It was raining and the pitch was muddy; on these grounds, the match was stopped.
The match was stopped because it rained and the pitch was bad.
The reasons must come BEFORE you say 'on these grounds'.
You chewed my favorite shoes and barked at the mailman. On these grounds, you are banned from the sofa!
You were bad, so no sofa for you!
Using high-level language for a low-level situation is a common form of humor.
Your experience is impressive and your test scores were the highest. On these grounds, we are happy to offer you the role.
You are great, so we are hiring you.
A professional way to deliver good news.
Test Yourself
Complete the sentence with the correct preposition and form.
The evidence was insufficient to prove guilt; ________ ________ grounds, the suspect was released.
The standard formal phrase is 'on these grounds.'
Which of the following is the most appropriate context for 'on these grounds'?
Select the best situation:
'On these grounds' is a very formal phrase used for legal or official justifications.
Fill in the missing line in this formal dialogue.
Manager: 'You have consistently failed to meet your sales targets and have missed three mandatory meetings.' HR Representative: '____________________, we are issuing a formal warning.'
'On these grounds' is the most professional way to link the listed failures to the resulting action.
Match the phrase variation to its correct usage.
1. On these grounds... 2. On the grounds that...
'On these grounds' is anaphoric (points back), while 'on the grounds that' is cataphoric (points forward).
🎉 Score: /4
Visual Learning Aids
Practice Bank
4 exercisesThe evidence was insufficient to prove guilt; ________ ________ grounds, the suspect was released.
The standard formal phrase is 'on these grounds.'
Select the best situation:
'On these grounds' is a very formal phrase used for legal or official justifications.
Manager: 'You have consistently failed to meet your sales targets and have missed three mandatory meetings.' HR Representative: '____________________, we are issuing a formal warning.'
'On these grounds' is the most professional way to link the listed failures to the resulting action.
1. On these grounds... 2. On the grounds that...
'On these grounds' is anaphoric (points back), while 'on the grounds that' is cataphoric (points forward).
🎉 Score: /4
Video Tutorials
Find video tutorials on YouTube for this phrase.
Frequently Asked Questions
10 questionsTechnically yes, but it is much less common. 'On these grounds' is the standard idiomatic expression for logical justification.
Only if the email is very formal, such as a resignation or a formal complaint. For daily tasks, it's too formal.
'Therefore' is a general logical connector. 'On these grounds' specifically emphasizes the *justification* or *evidence* behind the conclusion.
Figuratively, yes. It uses the metaphor of soil/foundation to represent the basis of an argument.
Yes, it is very common at the start of a sentence followed by a comma.
Yes, it is equally common in both British and American formal English.
Yes, 'those' is used if the reasons were mentioned a while ago or by someone else.
Much more formal. It is considered a 'high-level' academic and legal phrase.
Only if you want to sound like a robot or a lawyer. It's usually too cold for personal matters.
Using the preposition 'in' instead of 'on.'
Related Phrases
On the basis of
similarUsing something as a starting point or reason.
By virtue of
specialized formBecause of or as a result of.
In light of
similarConsidering the new information.
On the grounds that
builds onBecause [followed by a clause].