impermeable Synonyms

sealed damp-proof runproof leakproof light-tight bulletproof watertight Burberry raincoat run-resistant ladder-proof cagoule airtight acid-fast weatherproof wayless waterproof unpenetrable moth-resistant mothproof impermeableness windproof waterproofed untrod unpierceable uninjectable stormproof showerproof rubberized raintight rainproof hermetically sealed greaseproof colorfast nonpermeable water-repellent water-resistant nonporous unpassable unavoided tight imperviable impertransible imperforate impenetrable impassable hermetic hard firm dense