Watertight (adjective)

Preventing the entry or passage of water.

Origin:

From the english word 'water' and the old english word 'tight' meaning 'tight or secure'.

Examples:

1. The watertight compartments on the ship helped to contain any leaks and prevent the ship from sinking.
2. The watertight seals on the containers kept the goods dry and protected during transport.
3. The watertight roof was designed to withstand heavy rain and protect the interior from water damage.
4. The watertight materials were essential for the construction of the dam, ensuring that no water would leak through.
5. The watertight connections were critical for the operation of the underwater equipment, ensuring that no water entered the system.