What context can I use each word in?
Learn when and how to use these words with these examples!
impervious
Example
The walls of the fortress were impervious to the enemy's attacks. [impervious: adjective]
Example
She was impervious to his flattery and refused to change her mind. [impervious: adjective]
Example
His determination to succeed was impervious to the obstacles in his way. [impervious: adjective]
waterproof
Example
The jacket is waterproof and will keep you dry in the rain. [waterproof: adjective]
Example
The phone case is waterproof and can be used underwater. [waterproof: adjective]
Example
We need to make sure the basement is waterproofed to prevent flooding. [waterproofed: verb]
Good things to know
Which word is more common?
Waterproof is more commonly used than impervious in everyday language, especially when referring to products or items that protect against water damage. Impervious is less common and is typically used in more formal or technical contexts.
What’s the difference in the tone of formality between impervious and waterproof?
Impervious is generally considered more formal than waterproof, which is more versatile and can be used in both formal and informal contexts.