up to someone - definition and synonyms

phrase
  1. 1
    if something is up to you, you are the person who makes a decision about it

    Do you want to stay or go? It’s up to you.

  2. 2
    if something is up to you, you are responsible for doing it

    It’s up to all of us to try to solve the problems in our neighbourhoods.

See also main entry: up