impervious
adjective
1. not admitting of passage or capable of being affected
- a material impervious to water
- someone impervious to argument
Similar word(s): impermeable, fast, colorfast, greaseproof, mothproof, proof, resistant, runproof, soundproof, imperviable
Sentences with impervious as an adjective:
- The man was completely impervious to the deception we were trying.
- Although patchworked and sagging, the roof proved impervious to the weather.
- The old car seemed to be impervious to the wear and tear of age.