|Origin:||vocabulaire, from Medieval Latin vocabularium, from Latin vocabulum 'word, name', from vocare; VOCATION|
1 [uncountable and countable]SL
all the words that someone knows or uses
Reading is one of the best ways of improving your vocabulary.
He has a wide vocabulary.
active vocabulary (=the words someone can use)
passive vocabulary (=the words someone can understand, but does not use)
all the words in a particular language:
English has the largest vocabulary of any language.
3 [uncountable and countable]SL
the words that are typically used when talking about a particular subject:
Most technical jobs use a specialized vocabulary.
the vocabulary of politics
4 [uncountable and countable]
the range of possible features, effects, actions etc, especially in a type of music or art
Charlie Parker expanded the vocabulary of jazz.
used to say that someone never thinks of accepting failure etc
6 [countable]SLLTCN old-fashioned
a list of words with explanations of their meanings, especially in a book for learning a foreign language