Definition of it depends
—used in speech to say that the answer to a question will be different in different situations "Do you think you'll go back to college?" "It all depends. I will if I can afford it.""Which team do you think will win?" "That depends. If all of our players are healthy, I think we'll win." —sometimes shortened to depends "How long does it take to get to the airport?" "Depends. If you're going during rush hour it'll take at least an hour."