Английский словарь американских идиом - be off

{v. phr.} 1. {v.} To be in error; miscalculate. * /The estimator was off by at least 35% on the value of the house./ 2. {v.} To leave. * /Jack ate his supper in a hurry and was off without saying goodbye./ 3. {adj.} Cancelled; terminated. * /The weather was so bad that we were told that the trip was off./ 4. {adj.} Crazy. * /I'm sure Aunt Mathilda is a bit off; no one in her right mind would say such things./ 5. {adj.} Free from work; having vacation time. * /Although we were off for the rest of the day, we couldn't go to the beach because it started to rain./