Last Updated：2025/11/20

So tightly made that water cannot enter or escape. / (figuratively) So devised or planned as to be impossible to defeat, evade or nullify.

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watertight

Source Word

watertight

IPA(Pronunciation)

figuratively

Japanese Meaning

（物理的）水が入らず、漏れないように密閉されている / （比喩的に）完璧な企画や計画で、打ち破るのが非常に困難な

She stored the important documents in a watertight container before the storm.

彼女は嵐の前に重要な書類を水密性のある容器に入れて保管した。

Sense（1）

So tightly made that water cannot enter or escape.

Sense（2）

(figuratively) So devised or planned as to be impossible to defeat, evade or nullify.

a watertight contract; a watertight regulation

more watertight

（ comparative ）

most watertight

（ superlative ）