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
categories
Grammar usage guide and real-world examplesUSAGE SUMMARY
The word "categories" is correct and usable in written English.
You can use it to refer to distinct classes of things that are split into groups. For example: "The store had a wide variety of products organized into different categories".
✓ 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
60 human-written examples
We decided we're going to reduce our reliance on categories that quite frankly take up a lot of space and don't take a lot of money," Clarke said.
News & Media
The Royal Society considered two main categories of the technology.
News & Media
Basically, it is the accrued value of all pensions that are not state basic retirement or state earning related The ONS then combine the above four categories to calculate household wealth.
News & Media
It breaks household wealth down into four broad categories: Net property wealth: if owned, the value of a household's main residence including any other property such as second homes, holiday homes, land and buy-to-lets.
News & Media
Broadway star Idina Menzel and Will Young both beat off non-musical competition in their categories – best solo performance and best London newcomer respectively – as did jukebox musicals Taboo and American Idiot, voted off-West End and regional shows of the year.
News & Media
Click here to view video The Curious Incident of the Dog in the Night-Time is the leading contender at this year's Olivier theatre, dance and opera awards, with nominations in eight categories, including best new play and best director.
News & Media
This year's Oscar errors extend to the smallest end of the scale: in both the live action and animated short film categories, voters managed to pluck the least exciting option.
News & Media
The list of internationally approved war crimes indictments drawn up by the commission cover important modern categories of crimes, including aggression, genocide, crimes against humanity, modes of liability – including that of mid-level perpetrators - and international procedures, as well as the development of international criminal justice as a whole.
News & Media
The nominations for Britain's Bafta awards, announced this morning, saw British director Sam Mendes's debut film short-listed for awards in 14 categories, including best film, best director, best cinematography and best original film music.
News & Media
Deathly Hallows Part Two looks certain to pick up gongs in technical categories; whether Alan Rickman will triumph over Christopher Plummer (for Beginners) in the best supporting actor wing looks less certain.
News & Media
Streep and Roberts are not favourites to win their categories, so sustaining the film may prove a challenge, with further strong titles coming into cinemas.
News & Media
Expert writing Tips
Best practice
When using "categories", ensure that each category is clearly defined and mutually exclusive to avoid ambiguity.
Common error
Avoid creating "categories" that overlap with each other. This leads to confusion and makes analysis difficult.
Source & Trust
94%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The noun "categories" functions as a plural noun, representing multiple groupings or classifications. Ludwig AI confirms its grammatical correctness.
Frequent in
News & Media
48%
Formal & Business
26%
Science
26%
Less common in
Academia
0%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, the term "categories" is a grammatically correct and versatile noun used to denote groupings or classifications. Ludwig AI supports its appropriateness for diverse contexts, particularly in news, business, and scientific domains. When using "categories", ensure clarity and mutual exclusivity to avoid ambiguity. Common alternatives include "classifications", "groupings", and "types".
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
classifications
This refers to the act of classifying or the result of being classified.
groupings
This emphasizes the act of forming groups or the state of being in a group.
types
This is a more general term for kinds or sorts of things.
sorts
Similar to "types", but can also imply a manner or quality.
kinds
This denotes a natural grouping or division.
divisions
This implies a separation into distinct parts or sections.
segments
This suggests dividing something into portions or sections, often in marketing or data analysis.
classes
This indicates a ranking or social division.
genres
This is usually applied to art, music, and literature and it defines the stylistic category.
varieties
This highlights the range of differences within a set.
FAQs
How can I use "categories" in a sentence?
You can use "categories" to group items with similar characteristics. For example, "The products are organized into different "groupings" based on their function".
What are some alternatives to using the word "categories"?
Depending on the context, you could use "classifications", "types", or "groupings" as alternatives to "categories".
Which is correct: "categories of" or "categories for"?
"Categories of" is generally preferred when describing the contents of the "categories", while "categories for" might be used to describe the purpose of the "categories".
What's the difference between "categories" and "criteria"?
"Categories" are distinct groups or classes, while "criteria" are the standards or tests by which something is judged or classified.
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
94%
Authority and reliability
4.5/5
Expert rating
Real-world application tested