Definition

The state or quality of being sealed so that water cannot enter or escape.

Example

The watertightness of the container ensures that no water leaks out during transport.

Conversation

Have you ever thought about the watertightness of our new boat?

Yeah, I was wondering if it would hold up in a storm.

I read that it's designed for maximum watertightness, so we should be fine.

That’s reassuring! I can’t wait to take it out on the water.

Synonyms & Antonyms

Root Explanation

Watertightness → It is formed from "water" (from Old English *wæter*, meaning liquid that falls as rain or flows in rivers) and "tight" (from Old English *tihht*, meaning firmly held or secure) combined with the suffix "-ness" (meaning the state or quality of). The word "watertightness" refers to the quality of being secure against the passage of water.

Memory Tip

Think of the word 'water' representing liquid and 'tight' meaning secure — together they describe the quality of being secure against water.

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