airtight ballproof bombproof bulletproof burglarproof corrosionproof dampproof fire-resistant fire-resisting fire-retardant fire-retarded fireproofed flameproof foolproof hermetic holeproof impervious to insulate leakproof noiseproof proof proof against punctureproof resistant rustproof shatterproof shellproof soundproof tight waterproof watertight weatherproof