See Also: tank 2, verb(dictionary)
tank(1)(dictionary)
tank top(dictionary)
think tank(encyclopedia)
tank(encyclopedia)
tank(4)(dictionary)
tank(3)(dictionary)
tank(2)(dictionary)
think tank(dictionary)
Think Tank(money)

tank 2, verb (oh)



2 v
[I] to decrease quickly or be very unsuccessful
::Not long after the chairman resigned, shares in the company tanked.
[I] BrE informal to travel very fast in a car or vehicle
also tank it
[T] to deliberately lose a sports game that you could have won
tank up phr v
especially AmE to put petrol in your car so that the tank is full