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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
principally
Grammar usage guide and real-world examplesUSAGE SUMMARY
The word "principally" is correct and can be used in written English.
It is an adverb that means primarily or mainly. For example: I principally enjoy reading magazines and books for fun.
✓ Grammatically correct
News & Media
Formal & Business
Science
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
59 human-written examples
Yes, it is principally about the soil, its fertility and the lack of chemicals and pesticides used, but it's also about "the unseen forces and energies of life and growth that permeate all living things".
News & Media
The questions economists seek to answer, the tools they use to help find the answers (that's principally maths, rather than the applied topics that research suggests women are drawn to), the standard assumptions they make along the way (that people are emotionless, free and selfish), and the things they choose to measure all reflect a traditional and stereotypical male way of looking at the world.
News & Media
British shareholders could also make money by investing in Indian infrastructure, principally the railways, where the Indian government attracted funds by guaranteeing returns on capital of 5% net per year.
News & Media
The Lib-Con partnership has been a very British phenomenon, cemented by personal relationships and the success of two party elites discovering sufficient personal chemistry and affinity of objective – principally on fiscal strategy – to keep the show on the road.
News & Media
Born in Birmingham and educated at Solihull school, in the West Midlands, he trained at the Birmingham School of Art in the 1950s before embarking on an architectural career that frequently took him abroad for long periods, principally to the Middle East and the far east.
News & Media
"It seems that growth has come principally from domestic demand, with consumption benefitting from the drop in energy prices and buoyant financial markets boosting confidence," said Vanden Houte.
News & Media
Owen Gibson Waris Dirie has done more than any other person to raise awareness about the dreadful practice of female genital mutilation (FGM), which potentially affects millions of women, principally in Africa and Asia but also increasingly in the UK and other west European countries.
News & Media
Only a few isolated voices – such as former cabinet ministers Laurent Wauquiez and Michel Rocard – argue in favour of a Brexit, the latter considering that Britain is principally to blame for the paralysis in European decision-making.
News & Media
The western Balkans is a notorious smuggling funnel for those desperate to get into an EU country, principally Hungary to the north or Bulgaria to the south.
News & Media
As emperor his duties are largely ceremonial, consisting principally of state visits and apologising to other Asian countries for Japan's wartime conduct.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
1 human-written examples
Yet the cuts he has promised principally an almost comically modest reduction in a fuel allowance for pensioners are so footling when set against Britain's huge public debt burden as to give the opposite of the impression intended.Enough differentiationThe popular explanation for this failure is ideological.
News & Media
Expert writing Tips
Best practice
Consider using "principally" when you want to introduce the most important factor or element among several others. This will help structure your argument or explanation effectively.
Common error
While "principally" is grammatically sound, it may sound overly formal in casual conversation. Opt for alternatives like "mostly" or "mainly" in informal settings to maintain a natural tone.
Linguistic Context
The word "principally" functions as an adverb, modifying verbs, adjectives, or other adverbs to indicate the primary or main aspect of an action, quality, or state. As Ludwig AI confirms, it's grammatically correct. Examples in Ludwig illustrate its use in specifying the main reason or component of something.
Frequent in
News & Media
42%
Formal & Business
29%
Science
19%
Less common in
Encyclopedias
5%
Wiki
3%
Reference
2%
Ludwig's WRAP-UP
In summary, "principally" is a grammatically sound and frequently used adverb that means primarily or mainly. Ludwig AI confirms its correctness and the provided examples from sources like The Guardian and The Economist showcase its prevalence in News & Media and Formal & Business contexts. While alternatives like "mainly" or "primarily" exist, "principally" offers a slightly more formal tone. It's advisable to use it to clearly highlight the main aspect or reason within a discussion, but to consider simpler options in informal settings. Remember that its overuse might sound overly formal in casual conversation. Understanding these nuances will help you employ "principally" effectively in your writing.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
Mainly
Indicates that something is the primary component or focus, similar to "principally" but perhaps slightly less formal.
Primarily
Emphasizes the fundamental or most important aspect, closely mirroring the meaning of "principally".
Chiefly
Highlights the leading or most significant element, akin to "principally" but potentially suggesting a hierarchical importance.
In the main
Suggests a general overview where something is mostly true, comparable to "principally" in conveying the main idea.
Largely
Indicates that something is mostly or to a great extent, similar to "principally" but implying a broader scope.
Predominantly
Highlights the prevailing or dominant aspect, sharing a similar emphasis with "principally".
For the most part
Implies that something is generally true or applicable, similar to "principally" but suggesting possible exceptions.
Above all
Emphasizes the supreme importance of something, akin to "principally" but with a stronger focus on priority.
Essentially
Points to the fundamental nature or core aspect, similar to "principally" in identifying the key element.
Mostly
Indicates that something is true to the greatest extent, similar to "principally" but implying a quantitative focus.
FAQs
How can I use "principally" in a sentence?
Use "principally" to indicate the main or primary reason for something. For example, "The project failed principally due to a lack of funding."
What are some alternatives to "principally"?
Is "principally" formal or informal?
What's the difference between "principally" and "primarily"?
While "principally" and "primarily" are often interchangeable, "principally" can sometimes imply a greater degree of focus on the main element, whereas "primarily" may simply indicate the initial or most important aspect.
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