Definition of ten to one in English:

ten to one

phrase

  • Very probably.

    ‘ten to one you'll never find out who did this’
    • ‘Ten to one, Henry will bribe them.’
    • ‘Ten to one you've had to go to the dictionary to find out what that means.’
    • ‘Odds are ten to one that she will be an outcast at the next meeting.’
    • ‘It's ten to one he has never used his passport.’
    • ‘Well this should be fun; ten to one says he gets us lost.’