I suppose we may as well go for a prowl to-night, on the off-chance of finding him.
Oddly enough, it seems as if it might—there's just the off-chance—it might affect the issue.'
Corder stood in the door for a moment, on the off-chance that his friend might be joking.
It was an off-chance, and he well knew it; but there was nothing else to be done.
He kept it on the off-chance of being able to make something out of it.
Think I'll cut off my crust at dinner to-night on the off-chance, anyway!
It's not irreverent for me to say it, I hope—but God comes in on the off-chance, George.
We are asked to set aside the data of experience and act on an off-chance.
Every week at least I went round to try and see him on the off-chance of an engagement.
He went to the palace on the off-chance, attended by his escort.