adverb
His secretary said that he'd gone off for the weekend
The U-boat was a mile off. Christmas is only a month off
adjective
I'm afraid you're off on the question of the best way to approach him
Underwood's aunt is slightly off
He went to the station on the off chance that she would be on the midday train
Can you get the day off tomorrow to go on a picnic with me?
The cream smells a bit off
It has been an off year for the local football team
The meeting is off till next week
Is he really that well off? She was much worse off when they were married