English Reference

Word

category

Phoneticscat·e·go·ry, stress on the first syllable

US/ˈkætəˌɡɔɹi/

UK/kˈætɪɡəɹi/

Definitions

01a group or class

B1 · Intermediate Countable noun Academic

n. a group of things or people that are similar in some way.

n. a class or division in a system of classification.

“The competition has a separate category for children under the age of ten.”

“Researchers sorted the survey responses into three distinct categories based on the participants' level of professional experience.”

02mathematical structure

C2 · Proficiency Countable noun Mathematics Technical

n. a collection of objects and the connections between them that follow specific rules.

n. a collection of objects together with a collection of arrows between them, where composition is associative and identity arrows exist.

“In his advanced math class, they studied the category of all sets.”

“Category theory provides a powerful framework for finding commonalities between different mathematical structures like groups and topological spaces.”

Collocations

Common phrases and expressions where native English speakers use the word “category” in context.

Verb

01. category applies to

“The tax discount category applies to low-income households only.”

noun + verb + prep

02. category includes

“This category includes all full-time employees and contractors.”

noun + verb

03. create category

“The software allows you to create a new category for your expenses.”

verb + noun

04. define category

“It is difficult to define the category of music they play.”

verb + noun

05. fall into category

“Most of the complaints fall into the category of minor service issues.”

verb + prep + noun

Adjective

06. broad category

“The items are grouped into one broad category for easier sorting.”

adj + noun

07. distinct category

“Each species belongs to a distinct category based on its habitat.”

adj + noun

08. category one

09. broaden the category

“The committee decided to broaden the category to include digital entries.”

10. category consist

11. category include

12. fit into a category

“Some modern art pieces do not easily fit into a category.”

Etymology

Late Middle English, borrowed from French catégorie, from Middle French categorie, from Late Latin catēgoria (“class of predicables”), from Ancient Greek κατηγορία (katēgoría, “head of predicables”). Doublet of categoria.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

Word family

NOUN

Domain

Mathematics

This entry

Exam level
CambridgeCambridgeCambridge English QualificationsThe exam suite from Cambridge University Press & Assessment, from A1 Movers up to C2 Proficiency. The benchmark names double as CEFR labels.B1 PreliminaryIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.4.0–5.0TOEFL iBTTOEFL iBTTest of English as a Foreign Language, Internet-Based TestETS's academic English test, the standard route for US university admissions. Scored 0–120, with a 1–6 scale since 2026.1–6 scale: 3.0–3.544–71TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.550–784
Frequency
Common
Level
B1 · IntermediateOxford
Updated

QR code

englishreference.com/q/category

English Reference