Definition Of watertight


closely sealed, fastened, or fitted so that no water enters or passes through.

a watertight seal

Example Of watertight

  • a watertight seal

  • A fully informed, carefully and methodically reasoned, conceptually watertight political argument lies well outside them.

  • At least I've finally found a watertight argument against Alec ever moving me to the countryside.

  • Because of the freeze-and-thaw cycle, concrete dikes tend to require annual maintenance to seal cracks and remain watertight .

  • But even watertight concrete is not impermeable to the passage of moisture.

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