Definition of you pronoun from the Oxford Advanced Learner's Dictionary

Oxford3000

you

pronoun
ju
 
;
 
juː
 
; strong form juː
 
 
1 used as the subject or object of a verb or after a preposition to refer to the person or people being spoken or written toYou said you knew the way.I thought she told you.Can I sit next to you?I don't think that hairstyle is you (= it doesn't suit your appearance or personality).2 used with nouns and adjectives to speak to somebody directlyYou girls, stop talking!You stupid idiot!3 used for referring to people in generalYou learn a language better if you visit the country where it is spoken.It's a friendly place—people come up to you in the street and start talking.