Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “impervious”

impervious

adjective uk   /ɪmˈpɜː.vi.əs/ us    /-ˈpɝː-/

impervious adjective (SUBSTANCE)

specialized geology, engineering not allowing liquid to go through: How does glue bond with impervious substances like glass and metal?The state of matter

impervious adjective (PERSON)

describes a person who is not influenced or affected by something: He is impervious to criticism and rational argument.Self-control and moderation
(Definition of impervious from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of impervious?
Add Cambridge dictionaries to your browser to your website

Definitions of “impervious” in other dictionaries

Word of the Day

throw

to send something through the air with force, especially by a sudden movement of the arm

Word of the Day

Blog

Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More