adj
impervious
ihm-PUR-vee-uhs
adj
1
Not affected or bothered by something, such as criticism or emotion.
"He seemed impervious to the harsh reviews of his book."
"She stayed impervious to their taunts and kept working."
2
Not allowing anything, especially liquid, to pass through.
"The coating makes the fabric impervious to rain."
How to Use Impervious
Learner’s notesIn plain EnglishUnaffected by something, or physically unable to be penetrated by it.
Common pairings
impervious to criticism
impervious to water
impervious surface
Word Forms
more impervious comparative, most impervious superlative
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Etymology
From Latin impervius, "that cannot be passed through," from in- ("not") + pervius ("passable").