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
which is guaranteed
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "which is guaranteed" is correct and usable in written English.
It can be used to indicate that something is assured or promised, often in contexts related to quality, performance, or outcomes. Example: "This product comes with a warranty, which is guaranteed to cover any defects for two years."
✓ Grammatically correct
News & Media
Science
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified similar examples from authoritative sources
Similar Expressions
60 human-written examples
"I put it in government securities, which is guaranteed 6.5percentt.
News & Media
The Olympics will be broadcast on NBC, which is guaranteeing advertisers 17.9 million households.
News & Media
Ms. Rudden has since booked her vacation with Country Walkers, which is guaranteeing the departure date.
News & Media
"It's not about religious freedom, which is guaranteed in our Constitution," said Karen Aronowitz, the president of United Teachers of Dade.
News & Media
With two games remaining, the club moved 7 points ahead of Marseille, which is guaranteed second place because Lyon lost.
News & Media
But the higher price met with resistance at the Federal Reserve, which is guaranteeing Bear Stearns' riskiest assets with public money.
News & Media
The investor puts in a lump sum, which is guaranteed for repayment, and the insurer increases this guarantee at a set rate each year.
News & Media
Essentially, he has changed it in three ways, none of which is guaranteed to survive his retirement but all of which stand a chance of doing so.
News & Media
For an all-inclusive £82 charge – which is guaranteed never to rise – the customer can borrow a small sum which suits her budget.
News & Media
Until July 2005 these banks were able to issue a huge amount of long-term debt, which is guaranteed by the state until 2015.
News & Media
Smith's agent, Wes Bridges, said Smith is in the second year of a three-year contract, little of which is guaranteed.
News & Media
Expert writing Tips
Best practice
Use "which is guaranteed" to clearly convey assurance about a specific aspect or feature. This phrase is suitable for formal and informal contexts, adding a layer of credibility and reliability to your statement.
Common error
While appropriate in many contexts, avoid overusing "which is guaranteed" in very informal conversations. Simpler alternatives like "it's certain" or "it's assured" may sound more natural and less stilted.
Source & Trust
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "which is guaranteed" functions as a relative clause, providing additional information or clarification about a noun or noun phrase in the main clause. It asserts a level of certainty or assurance about the characteristic being described. According to Ludwig AI, the phrase is correct and usable in written English.
Frequent in
News & Media
50%
Science
40%
Formal & Business
5%
Less common in
Encyclopedias
2%
Wiki
2%
Reference
1%
Ludwig's WRAP-UP
The phrase "which is guaranteed" functions as a relative clause to express assurance and certainty. Ludwig AI indicates that it is grammatically correct and frequently used across various contexts, particularly in news, media, and scientific writing. While it's a common phrase, it's wise to avoid overuse in informal settings. Alternative phrases like "that is assured" or "that is certain" can provide subtle variations in meaning and tone. Using this phrase effectively involves ensuring it aligns with the level of formality and the degree of emphasis required in the specific context.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
that is assured
Replaces "which is" with "that is", offering a more direct and slightly more formal tone.
that is certain
Substitutes "guaranteed" with "certain", highlighting the certainty of an outcome or condition.
that is ensured
Replaces "guaranteed" with "ensured", emphasizing the active measures taken to secure a specific result.
that is warranted
Replaces "guaranteed" with "warranted", suggesting a formal assurance or justification for something.
what is promised
Emphasizes the aspect of a promise or commitment, rather than a general guarantee.
that is secured
Highlights the act of securing something, implying that measures have been taken to ensure its availability or validity.
which is underwritten
Implies a financial backing or formal agreement that supports the guarantee.
this is definite
Expresses a strong degree of certainty, moving away from the formal tone of "guaranteed".
what's been assured
Focuses on the action of assurance and the state of being assured about something.
this is a given
Indicates that something is a certainty or a known fact, often in a less formal context.
FAQs
How can I use "which is guaranteed" in a sentence?
You can use "which is guaranteed" to assure a specific outcome or feature, for example: "The product has a lifetime warranty, "which is guaranteed" to cover any defects.".
What phrases can I use instead of "which is guaranteed"?
Alternatives include "that is assured", "that is certain", or "that is ensured", depending on the specific nuance you want to convey.
Is it always necessary to use "which is guaranteed" for emphasis?
No, while "which is guaranteed" adds emphasis, sometimes simpler phrases like "it is certain" or "it is assured" are sufficient. The best choice depends on the formality of the context and the degree of emphasis needed.
What's the difference between "which is guaranteed" and "that is guaranteed"?
Both phrases are similar, but "which is guaranteed" is typically used to add extra information about something already mentioned, while "that is guaranteed" can introduce a new fact or assertion directly.
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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
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested