A2
all the words you know in a particular language
Dictionary examples:
My vocabulary is so small, even my cat meows better English! (0.0)
My vocabulary is so big, I confuse myself when I talk! (0.0)
My dog has a bigger vocabulary than me. He understands 'walk'! (0.0)
a large/big/limited vocabulary (32.0)
Reading helps to expand your vocabulary. (36.9)