double or nothing

:  having a twofold relation or character :  dual

:  consisting of two usually combined members or parts

:  being twice as great or as many

:  to make twice as great or as many: such as

:  to increase by adding an equal amount

:  to amount to twice the number of

:  to twice the extent or amount

:  two together

:  downward and forward from the usual position

:  something twice the usual size, strength, speed, quantity, or value: such as

:  a double amount

:  a base hit that enables the batter to reach second base

:  not any thing :  no thing

:  no part

:  one of no interest, value, or consequence

:  not at all :  in no degree

:  something that does not exist

:  the absence of all magnitude or quantity

:  zero

:  of no account :  worthless