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
was duly approved
Grammar usage guide and real-world examplesUSAGE SUMMARY
"was duly approved" is a correct and usable phrase in written English.
You can use it to indicate that something has been officially accepted or authorized. For example: "The proposal was duly approved by the board of directors."
✓ Grammatically correct
Science
News & Media
Alternative expressions(20)
gained authorization
was sanctioned
passed muster
met with approval
secured endorsement
was ratified
was validated
has been properly approved
was duly nominated
was duly chastened
was officially designated
was duly impressed
was formally selected
was duly taken
was duly selected
was duly ignored
was properly installed
received the appointment
was duly rescinded
assumed the position
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
14 human-written examples
Much of the constitution is sound, and it was duly approved in a national referendum.
News & Media
In April, a state of emergency covering the entire country was declared; it was duly approved by parliament.
News & Media
His hand-picked President, Dr Aguero, who was duly approved by a rigged election on November 4 is plainly unable to form a Government.
News & Media
Wintrobe's institutional grant application was duly approved.
Science & Research
Wolfgang's membership was duly approved; and the Mozarts departed for Milan shortly afterwards.
Wiki
The study protocol was duly approved by the institutional research and ethics committees.
Human-verified similar examples from authoritative sources
Similar Expressions
46 human-written examples
Andrew Andronikou, the administrator, told the meeting at the Victory Lounge: "As you can see it's been duly approved". Portsmouth became the first Premier League team to enter administration when they did so on 26 February this year.
News & Media
The films were duly approved by the National Agency for Food and Drug Administration and Control of Nigeria.
Science
This study has been duly approved by the IAEC Institutional Animal Ethical Committeee, Jamia Hamdard) and CPCSEA.
It is important to make a clear and emphatic distinction between untested films or filters and FSPT that pre-tested films that are duly approved by the relevant Safety Regulatory Authorities.
Science
The slaughter house is duly approved and authorized by the Municipal Corporation, New Delhi, India for the exclusive purpose of 'slaughtering the animals', intended for the human consumption as permitted in the Bye-Laws.
Science
Expert writing Tips
Best practice
Use "was duly approved" to clearly and concisely convey that something has been officially accepted following proper procedures.
Common error
Avoid using "was duly approved" in casual conversation or informal writing; it can sound overly formal or pretentious. Opt for simpler phrases like "was approved" or "got the okay" instead.
Source & Trust
83%
Authority and reliability
4.3/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "was duly approved" functions as a passive voice construction, indicating that something (a proposal, a protocol, etc.) received official and proper authorization. As Ludwig AI confirms, this is a grammatically sound phrase.
Frequent in
Science
70%
News & Media
20%
Formal & Business
10%
Less common in
Academia
0%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, the phrase "was duly approved" is a grammatically correct and relatively uncommon way to express that something has received official authorization, as validated by Ludwig AI. It is primarily used in scientific and formal contexts to emphasize that the approval was granted following proper procedures. While it is appropriate in formal writing, simpler alternatives may be preferred in casual conversation. Always ensure it aligns with the required tone and context, remembering that overuse may lead to your text sounding too formal.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
received official approval
Indicates a formal endorsement or sanction.
gained authorization
Emphasizes the act of being given permission or authority.
obtained the green light
An idiomatic expression meaning permission to proceed.
was sanctioned
Suggests a more formal or official approval, often by a governing body.
passed muster
Implies that something met the required standards or criteria.
met with approval
Highlights that the thing was well received or agreed upon.
was given the go-ahead
Similar to "obtained the green light", indicating permission to start something.
secured endorsement
Focuses on gaining support or backing from a person or organization.
was ratified
Indicates a formal confirmation or validation, often used in legal or political contexts.
was validated
Emphasizes the confirmation of correctness or legitimacy.
FAQs
How can I use "was duly approved" in a sentence?
You can use "was duly approved" to indicate that something has been officially accepted or authorized after following the correct procedures. For example: "The experimental protocol "was duly approved" by the ethics committee".
What is a more informal alternative to "was duly approved"?
In informal settings, you can use phrases like "was approved", "got the green light", or "was okayed" as alternatives to "was duly approved".
What does "duly" mean in the phrase "was duly approved"?
In this context, "duly" means "in accordance with what is required or appropriate; following proper procedure or arrangement". It emphasizes that the approval was given correctly and officially.
Is it correct to say "has been duly approved" instead of "was duly approved"?
Yes, both are grammatically correct. "Has been duly approved" implies that the approval occurred at some point in the past and is still in effect, while "was duly approved" simply indicates that the approval happened at a specific time.
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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
83%
Authority and reliability
4.3/5
Expert rating
Real-world application tested