waterproof
adjective
[ ˈwɔːtəpruːf ]
• impervious to water.
• "a waterproof hat"
Similar:
watertight,
water-repellent,
water-resistant,
weatherproof,
damp-proof,
impermeable,
impervious,
coated,
proofed,
rubberized,
waxed,
waterproof
noun
• a garment, especially a coat, that keeps out water.
• "she put on boots and a waterproof"
waterproof
verb
• make impervious to water.
• "a plastic case waterproofs this disposable camera"