What does subcategory mean?
A subcategory is a class within a broader category, used when a classification system needs to distinguish a smaller or more specific group. For example, a website might organize its content into major categories and then create subcategories for particular topics. The word is especially common in formal, technical, administrative, and classificatory contexts, including libraries, museums, databases, academic disciplines, and online platforms. Its meaning depends on context: it always denotes something more specific than its parent category, but it does not necessarily indicate a formally recognized division. In general conversation, 'group', 'type', or 'section' may be more natural. A subcategory should not be confused with a category itself; the former sits within and refines the latter. The term is useful because it expresses precisely that hierarchical relationship between levels of classification.
nounA division or class within a larger category. It is a more specific grouping than the broader category to which it belongs.
- A division within a larger category; a more specific class or grouping.
"The library has created a subcategory for translated works."
"The museum created a subcategory for works from the 1920s."
"This particular subcategory of technology includes devices designed specifically for medical use."
The regular plural adds '-ies' to form 'subcategories'.
"The organizers created several new subcategories for the competition."
A subcategory is a branch on the tree of classification: more precise than a category, but still part of a larger system.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Where does subcategory come from?
The word combines the Latin prefix sub-, meaning 'under' or 'beneath,' with category, a term derived through Latin from Greek katēgoria, meaning a class or category. This combination expresses a secondary classification beneath a more general one. The related forms categorize and categorization use the same Latin-Greek root while expressing the act or result of placing something within a category.
How subcategory is actually used
The term is common in formal and technical contexts, especially in classification, catalogs, research, and administrative systems. It may sound unnecessarily precise when an ordinary term such as 'group' or 'type' would suffice.
Easily confused with subcategory
A category is a general class of things, while a subcategory is a more specific division within that class.