Synonyms for impervious

• (adj) imperviable, fast (similar term), acid-fast (similar term), colorfast (similar term), greaseproof (similar term), mothproof (similar term), moth-resistant (similar term), proof (similar term), resistant (similar term), corrosion-resistant (similar term), rot-resistant (similar term), runproof (similar term), ladder-proof (similar term), run-resistant (similar term), soundproof (similar term), impermeable (related term), pervious (antonym)
  
  

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