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
are certified for
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "are certified for" is correct and usable in written English.
It can be used when indicating that someone or something has received official approval or qualification for a specific purpose or activity. Example: "The products are certified for safety and quality standards, ensuring they meet industry regulations."
✓ Grammatically correct
News & Media
Science
Wiki
Alternative expressions(16)
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
25 human-written examples
John Drengenberg, the consumer affairs director of Underwriters Laboratories (ul.com), the testing group in Northbrook, Ill., said that if lights are certified for indoors only, they must not be used outside; those certified for outdoors, however, can be used inside.
News & Media
Our operating tables are certified for patients weighing ≤ 250 kg, thereby rarely necessitating specialized tables for bariatric surgery (for which our hospital is certified).
Science
It is important that machines are certified for use only after they pass rigorous testing.
News & Media
Some players do receive benefits before the pension age of 55 because they are certified for serious arthritic conditions.
News & Media
The problem, based on the legal challenge, is that neither the pilots nor the aircraft are certified for commercial use.
News & Media
Only two models of explosives-detection machines, from two companies, InVision Technologies and L-3 certifiedtions, are certiford for use at United States airports.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
33 human-written examples
We're certified for handcuffs.
News & Media
Because of lost paperwork, engineers cannot prove the two metal seals were certified for flight.
News & Media
Mr. Braman's consultants collected 114,000 signatures; 95,000 of them were certified for the recall.
News & Media
It has embraced sustainable farming techniques and allows products to be certified for environmental and other standards.
News & Media
* DRAWING A CROWD: 135 candidates were certified for the Oct. 7 recall, meaning the vote count could take weeks.
News & Media
Expert writing Tips
Best practice
When using "are certified for", clearly specify the certifying body or standard to enhance credibility and provide context. For example, "are certified for ISO 9001 standards".
Common error
Avoid using "are certified for" without indicating the specific certification. Vague statements like "the product is certified" lack informative value. Always specify what the certification covers.
Source & Trust
89%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "are certified for" functions as a passive adjectival phrase, indicating that the subject has undergone a process of certification and meets specific standards for a particular purpose or use. As Ludwig AI suggests, it signifies official approval or qualification.
Frequent in
News & Media
35%
Science
35%
Wiki
10%
Less common in
Formal & Business
10%
Encyclopedias
0%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "are certified for" is a common and grammatically sound way to express that something has met certain standards or requirements, as indicated by Ludwig AI. It frequently appears in News & Media and Science contexts, and its primary function is to assure the audience of a product's or service's quality and compliance. To maximize clarity, remember to specify the certifying body or standard. Related alternatives include "are approved for" and "are accredited to".
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
are approved for
Substitutes "certified" with "approved", indicating official permission or endorsement.
are authorized for
Replaces "certified" with "authorized", suggesting formal permission to perform an action or use something.
are accredited to
Replaces "certified" with "accredited", implying official recognition of competence.
are qualified to
Uses "qualified" instead of "certified", suggesting the fulfillment of necessary conditions.
are licensed for
Replaces "certified" with "licensed", implying a legal permission to carry out an activity.
are validated for
Uses "validated" in place of "certified", implying that something has been officially confirmed as effective or accurate.
have been endorsed for
Uses "endorsed" instead of "certified", suggesting a formal approval or support.
meet the requirements for
Shifts from direct certification to meeting specific requirements.
comply with standards for
Focuses on compliance with specified standards rather than direct certification.
are recognized for
Highlights the recognition of certain qualities or achievements, moving away from formal certification.
FAQs
How can I use "are certified for" in a sentence?
The phrase "are certified for" indicates that something or someone has met specific standards or requirements. For example, "The materials "are certified for" use in food packaging".
What's a good alternative to "are certified for"?
Alternatives include "are approved for", "are qualified to", or "are accredited to", depending on the specific context and nuance you wish to convey.
Is it better to say "are certified for" or "are certified to"?
"Are certified for" is generally used to indicate the purpose or area of certification, while "are certified to" typically refers to a specific standard or regulation. For example, "are certified for safety" vs. "are certified to ISO standards".
What does it mean when products "are certified for" a specific use?
It means that the products have undergone testing and have been verified to meet the necessary standards or requirements for that particular application. This ensures they are safe and effective for their intended purpose.
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
89%
Authority and reliability
4.5/5
Expert rating
Real-world application tested