watertight (B2)

adjective

Pronunciation: ˈwɔːtətaɪt

Also written: water-tight. Same meaning; acceptable spelling variants.

Definition

Constructed or sealed so tightly that water cannot pass through.

Examples

• The ship's watertight compartments prevent it from sinking if the hull is breached.

• Ensure the container is watertight before placing it in your backpack.

• Engineers tested the new roof to confirm it was perfectly watertight during the storm.

How to Use watertight

watertight against (prepositional phrase)

protected from the entry of water — "The design must be watertight against heavy rain."

Synonyms of watertight

Words with a similar meaning to watertight:

• sealed
• airtight
• impervious
• impenetrable

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