November 19, 2011
impervious (adjective)
\im-PER-vee-us\ Hear it!
What does it mean?
1 : not letting something enter or pass through2 : not disturbed or upset
How do you use it?
Having heard every excuse in the book, the experienced teacher was impervious to the pleas of students who failed to hand in their homework on time.
Are you a word wiz?

Which one of these sentences do you think uses "impervious" correctly?

The answer that's impervious to criticism is D. In A, Terry is behaving like an emperor, which makes him "imperious," and totally unlike his formerly modest self. We can count B out of the running since it uses "impervious" as a noun, and we know that "impervious" is an adjective. In C, Marta's raincoat has proven to be "permeable," the opposite of "impervious," in allowing water to get through it. That leaves D, and the carpet that will be resisting lot of spills in the future.
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