watertight
adjective /ˈwɔːtətaɪt/
/ˈwɔːtərtaɪt/
- that does not allow water to get in or out
- a watertight container
- The roof has been made watertight.
Extra Examples- The containers should remain watertight.
- The trouble is that the inner seal is not completely watertight.
- (of an excuse, a plan, an argument, etc.) carefully prepared so that it contains no mistakes, faults or weaknesses
- a watertight alibi
- The case has to be made watertight.
- a pretty watertight argument