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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
its principal purpose
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "its principal purpose" is correct and usable in written English.
You can use it to describe the main goal or objective of something, such as a project, document, or organization. Example: "The report outlines its principal purpose, which is to evaluate the effectiveness of the new policy."
✓ Grammatically correct
News & Media
Encyclopedias
Science
Alternative expressions(20)
the primary purpose
its central function
its main project
its key function
its main orientation
its main aim
its primary purpose
its main rationale
its primary objective
its fundamental reason
its chief role
its basic purpose
its main usefulness
its major purpose
its main intention
its principal aim
its main objective
its main relevance
the reason for its existence
its main purpose
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
20 human-written examples
The main charge levelled at the league was that it had manifestly failed in its principal purpose – to prevent another global conflict.
News & Media
I went this year for the first time in a while; it has moved beyond birdwatching (although that's still its principal purpose) and is now a wonderful celebration of nature in all sorts of forms, from butterflies to bats.
News & Media
Today a new wave of fortification is coming, and once again its principal purpose is marketing.
News & Media
Its principal purpose is to enable flexibility, so that halls can adapt to the needs of different kinds of event.
News & Media
The co-operative, which defines its principal purpose as something even more abstract: the "happiness" of its employee owners, also known as partners.
News & Media
Nevertheless, Britain's present coalition government deserves to be labelled rightwing, as its principal purpose has been to preside over a large-scale transfer of wealth away from the working and ordinary middle classes and toward the wealthy.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
39 human-written examples
Its principal purposes were coordination of joint foreign policy and mutual international diplomatic support; it was not a military alliance.
Wiki
But Mr. Marcovici served his principal purpose in "Agon," supporting the ever-lucid Wendy Whelan in the seminal pas de deux.
News & Media
And again like Utz, his principal purpose in life became protecting his beloved collection, first from the Nazi occupiers in World War II, then from the Communist regime.
News & Media
"Our hope – we are not there yet – is that Senator Corker and I would introduce a managers' amendment that would incorporate certain agreed changes that would make this bill, I hope, accomplish its two principal purposes but without the language that could be offensive to the president and the strength of his negotiations," added Cardin.
News & Media
While Spotify did not reveal the specific episodes removed or the specific terms of the policy they violated, the possibilities for removal cited in its updated policy include "content whose principal purpose is to incite hatred or violence against people because of their race, religion, disability, gender identity, or sexual orientation".
News & Media
Expert writing Tips
Best practice
When using "its principal purpose", ensure that the possessive pronoun "its" clearly refers to the subject you are describing to avoid ambiguity. For example, "The organization revised its mission statement to emphasize its principal purpose: serving the community."
Common error
Avoid confusing "principal", which means main or most important, with "principle", which is a fundamental rule or belief. For example, it's correct to say, "Its principal purpose is to educate", not "Its principle purpose is to educate".
Source & Trust
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "its principal purpose" functions as a noun phrase acting as a subject complement or appositive, clarifying the main objective of something. As Ludwig AI confirms, this phrase is grammatically correct and widely used.
Frequent in
News & Media
33%
Science
29%
Encyclopedias
14%
Less common in
Formal & Business
5%
Wiki
5%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "its principal purpose" is a grammatically correct and commonly used expression to define the main objective or function of something. As Ludwig AI shows, it appears frequently in news articles, scientific publications, and encyclopedias. When using this phrase, be mindful of the distinction between "principal" and "principle". While there are several alternatives, such as "its main objective" or "its primary aim", the best choice depends on the specific context and desired level of formality.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
its main objective
Replaces "principal purpose" with a more common synonym, "objective", maintaining a similar level of formality.
its primary aim
Substitutes "principal purpose" with "primary aim", offering a slightly more concise alternative.
its central goal
Emphasizes the importance of the purpose by using "central" instead of "principal".
its chief function
Shifts the focus from purpose to function, highlighting the main role or activity.
its essential intent
Replaces "purpose" with "intent", which carries a slightly more deliberate connotation.
its core mission
Uses business-oriented terminology to highlight the fundamental task or goal.
its defining characteristic
Focuses on what makes something unique or essential.
its raison d'être
A more formal, French term for "reason for being", implying a fundamental purpose.
the reason for its existence
Explains the purpose in a more descriptive and less concise way.
the main reason for its creation
Highlights the original intention behind something's creation.
FAQs
How can I use "its principal purpose" in a sentence?
You can use "its principal purpose" to define the primary objective or function of something. For example, "The museum's website outlines "its principal purpose": to preserve and exhibit historical artifacts".
What are some alternatives to "its principal purpose"?
Some alternatives to "its principal purpose" include "its main objective", "its primary aim", or "its central goal" depending on the specific context.
Is "principal" the same as "principle" in "its principal purpose"?
No, "principal" (meaning main or most important) is different from "principle" (a fundamental rule or belief). The correct phrase is "its principal purpose", not "its principle purpose".
How formal is the phrase "its principal purpose"?
The phrase "its principal purpose" is suitable for formal and neutral contexts. In more informal settings, you could use phrases like "its main thing" or "what it's all about" depending on the audience and the context.
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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