IMPERVIOUS (Adj.)

Meaning- 1) (material) not allowing something (Such as water or light) to enter or pass through.

                       2) person who are not bothered or affected by something.

Synonym- IMPERMEABLE, IMPENETRABLE

Uses-

•          This new material is impervious to liquids.
•          The material for this coat is supposed to be impervious to rain.
•          We should make ourselves impervious to criticism.
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