What context can I use each word in?
Learn when and how to use these words with these examples!
impenetrability
Example
The fortress's walls were known for their impenetrability. [impenetrability: noun]
Example
The company's policies had an air of impenetrability, making it difficult for outsiders to understand. [impenetrability: noun]
impermeability
Example
The raincoat's impermeability kept the wearer dry in even the heaviest downpour. [impermeability: noun]
Example
The material's impermeability to water made it ideal for use in swimming pools. [impermeability: noun]
Good things to know
Which word is more common?
Impermeability is more commonly used than impenetrability in everyday language. Impermeability is a versatile term that can be applied to a wide range of physical properties, while impenetrability is less common and more limited in scope.
What’s the difference in the tone of formality between impenetrability and impermeability?
Both impenetrability and impermeability are formal terms that are more likely to be used in technical or scientific contexts than in everyday conversation.
