DictionaryAI

category

noun
KAT-uh-gor-ee/ˈkætəˌɡɔɹi/UKKAT-i-gri/ˈkætɪɡ(ə)ɹi/

Pluralcategories

2 meanings of category

Practice

  1. 1
    nouncountable
    A group of things that are alike or that fit the same rule.

    Like sorting your toys into boxes, where each box holds one kind of thing.

    The store puts every item into a category so shoppers can find things.

    Singers and dancers compete in different categories at the show.

    UsageSay in a category or fall into a category.

    Similartype, kind, class, sort, group

    Note

Less common meaning

  1. 2
    noun
    In math, objects linked by arrows that join end to end, with each object having an arrow to itself.

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Origin

It came through French from a Late Latin word meaning a class of things, which came from an Ancient Greek word.

Checked 31 Oct 2026 · 4 facts