Put off = postpone
When you know that you will not be able to do something, then you have to put it off.
John: Sorry, but I've just missed my flight and our meeting starts at 3pm.
Jane: Don't worry John, we can put off this meeting for tomorrow.
1)To procrastinate or delay.
2)To be made uneasy or become interested in a person, idea, event (etc).
1)I have a paper to write but it can be put off until tomorrow.
2)Johny: "So what happen with that girl?"
Steve Badson: "Well, I was gonna hook up but now I'm just put off because she said she had the HIV"