0 something on which you keep having to spend a lot of money, especially when it may be a waste of money:
Some people think the Olympic Games is a money pit and not worth the bother.
Children are a never-ending money pit.
It is time to stop pouring money into the money pit and to rescue what can still be rescued.
This was the money pit that spurred his son into digging tunnels to support it.
These scams offer only a money pit, where no matter how much time and money is invested, consumers never achieve the riches or financial freedom that they were promised.
During this crisis, we will not be able to afford projects which are just about prestige or those which are simply money pits.