Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “vocabulary”

vocabulary

noun uk   /vəˈkæb.jʊ.lər.i/ us    /voʊˈkæb.jə.ler-/
A2 [C] all the words known and used by a particular person: a wide/limited vocabulary By the age of two a child will have a vocabulary of about two hundred words.Terminology and vocabulary C1 [C or U] all the words that exist in a particular language or subject: Every week our French teacher gives us a list of vocabulary (= words) to learn. Computing, like any subject, has its own vocabulary.Terminology and vocabulary
(Definition of vocabulary from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of vocabulary?
Add Cambridge dictionaries to your browser to your website

Definitions of “vocabulary” in other dictionaries

Word of the Day

improvisation

a performance that an actor, musician, etc. has not practised or planned

Word of the Day

Blog

Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More