You are innocent until proven guilty.

you Pronoun

— Used instead of the name of the person being spoken to; it is a second-person pronoun. You are my best friend. Can I go to the shops with you? — Used to talk about anyone. You have to be 18 years old to see that film. She has problems with her eyes, and can't see you properly.

you Determinative

— Used before a word that means the person or people someone is talking to. You guys can leave now.

are Verb

— Are is the present tense, second person form of the verb be. Hello John, how are you? We are all happy. Are we there yet? John and Mary are playing. Are you all hungry?

innocent Adjective

— If you are innocent you do not know evil. How could he hurt an innocent child?!? I was innocent once, but I've seen too many bad things since then. — If you are innocent of a crime you did not do that crime. I swore to the police that I was innocent.

innocent Noun

— Someone who is innocent. That is, someone who lacks evil or the knowledge of evil. He was a total innocent. — #If something bad happens to an innocent it means that the person did not deserve it. — #:If you don't help save them, the blood of the innocents will be on your hand. (meaning, "...it will be your fault innocents have been hurt or killed.")

until Preposition

— If something is true until mathx/math, it is true for some time before mathx/math and then is not true. We didn't have any snow until the end of December. He worked until he was 72 years old. Until now, there was nothing we could do.

proven

— adjective (= proved) established beyond doubt a proven liar a Soviet leader of proven shrewdness

guilty Adjective

— If you are guilty of something, you did it. This is usually for doing a bad thing. — If you feel guilty you feel bad about something you did. — If you are found guilty of a crime, a court of law said you did do that crime.