Search Dictionary
Definition of subcategory
subcategory
/ˌsʌbˈkæt.ə.ɡɔː.ri/
sub · cat · e · go · ry
Plural:subcategories
•Adjective:subcategorical
subcategory Lexical Profile
CEFR
B2
Grade
7
Tier
2
Usage
Top 10k
Syllables
5
subcategory Game Scores & Validity
Scrabble US
Scrabble UK
WWF
Wordle Guess
• noun
1
A smaller or subordinate division within a larger category or classification system.
Example
"Historical fiction is a popular subcategory within the broader literary genre of fiction."
2
In mathematics, a category whose objects and morphisms are subsets of those of a given category, preserving identities and composition.
Example
"The set of all finite groups forms a full subcategory of the category of all groups."
Synonyms
View all synonyms for subcategory Antonyms
View all antonyms for subcategory• Rhymes for subcategory
• Nearby Words
Usage Trend
Historical frequency of usage in published text.
180019102020
Data source: Google Books Ngram Viewer
Cite this Entry
Wordmom. (2026). Definition of Subcategory. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/subcategory