impervious

adjective

Pronunciation: /ɪmˈpɜːrviəs/

Definition

Not allowing fluid to pass through, or remaining unaffected by external influences or criticism.

Examples

• The new raincoat is made of an impervious material that keeps you dry in the worst storms.

• She remained impervious to his insults, continuing her work as if he had not spoken at all.

• The fortress was designed to be impervious to attack, with thick stone walls and a deep moat.

How to Use impervious

impervious to (prepositional phrase)

Not affected by something specific. — "He seemed impervious to the cold weather."

Synonyms of impervious

Words with a similar meaning to impervious:

• waterproof
• resistant
• unaffected
• impenetrable
• indifferent

Antonyms of impervious

Words with the opposite meaning to impervious:

• permeable
• vulnerable

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