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impermeable
preventing especially liquids to pass or diffuse through
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fast
resistant to destruction or fading
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acid-fast
not easily decolorized by acid solutions; pertains to micro-organisms (especially the tubercle bacillus that causes tuberculosis)
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colorfast
having color that is resistant to fading or running
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greaseproof
resistant to penetration by grease or oil or wax
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moth-resistant, mothproof
resistant to damage by moths
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proof
(used in combination or as a suffix) able to withstand
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resistant
impervious to being affected
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corrosion-resistant
impervious to corrosion
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rot-resistant
resistant to rotting
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ladder-proof, run-resistant, runproof
(of hosiery) resistant to runs or (in Britain) ladders
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soundproof
impervious to, or not penetrable by, sound
