물이 새거나 스며들지 않도록 빈틈없이 막혀 있는.
Closely sealed or fitted so that no water can enter or pass through.
예문:
"The divers checked the hull to ensure it was completely watertight before the expedition."
"Make sure the lid of the container is watertight to prevent any leaks during transport."
논리나 계획 등이 매우 견고하여 반박할 여지가 없는.
(Of an argument, plan, or alibi) so well-constructed that it cannot be disputed or questioned.
예문:
"The prosecution presented a watertight case that left no room for doubt."
"To secure the funding, we need to develop a watertight business plan."