vocabulary
/vəʊˈkabjʊləɹɪ/noun
All the words that a person knows and uses.
Example sentences
- “Reading widely is a great way to build your vocabulary.”
- “A child's vocabulary grows quickly between the ages of two and five.”
You 'build', 'expand', or 'broaden' your vocabulary. A word can be 'in' or 'not in' someone's vocabulary.