Definition of "vocabulary" in English

noun

1. A usually alphabetized and explained collection of words e.g. of a particular field, or prepared for a specific purpose, often for learning.

2. The collection of words a person knows and uses.

   • My Russian vocabulary is very limited.

3. The stock of words used in a particular field.

   • The vocabulary of social sciences is often incomprehensible to ordinary people.

4. The words of a language collectively; lexis.

   • The vocabulary of any language is influenced by contacts with other cultures.

5. (by extension) A range of artistic or stylistic forms or techniques.