Part of speech:
So snugly put together that no water can get in or through
Not permeable; not permitting fluids to pass through it; impenetrable
That keeps out water completely; esp., treated with rubber, plastic, etc. so that water will not penetrate
Resistant to penetration by water but not entirely waterproof.
Find another word for rainproof. In this page you can discover 7 synonyms, antonyms, idiomatic expressions, and related words for rainproof, like: watertight, impermeable, waterproof, water-repellent, waterproof, waterproof and waterproofed.