What context can I use each word in?
Learn when and how to use these words with these examples!
watertight
Example
The submarine was designed to be watertight, ensuring the safety of the crew even in deep waters. [watertight: adjective]
Example
The lawyer presented a watertight case, leaving no room for doubt or counter-argument. [watertight: adjective]
waterproof
Example
I need a waterproof jacket for my camping trip, in case it rains. [waterproof: adjective]
Example
The basement walls were waterproofed to prevent water damage during heavy rainfall. [waterproofed: past participle]
Good things to know
Which word is more common?
Waterproof is more commonly used than watertight in everyday language. Waterproof is a versatile term that can be applied to a wide range of products and materials, while watertight is more specialized and often used in specific contexts such as marine or engineering.
What’s the difference in the tone of formality between watertight and waterproof?
Both watertight and waterproof are formal terms that are commonly used in technical or professional contexts. However, watertight may be considered more formal due to its specialized usage and association with engineering and construction.