COMPLETELY CORRECT›used when you are giving or asking for information that is completely correct: What exactly seems to be the problem?The train got in at exactly ten o'clock.
EMPHASIS›used to emphasize what you are saying: I found a dress that's exactly the same colour as my shoes.
AGREEMENT›something you say when you agree completely with someone: "Surely they should have told us about this problem sooner?" "Exactly."
not exactly›used to say that something is not completely true: "Do you live here?" "Not exactly, I'm staying with friends."
not exactly easy/new/clear, etcinformal›used to say that a description is completely untrue: Let's face it, we're not exactly rich, are we?