THESAURUS
windproof
airtight, close, compact, dustproof, dusttight, fast, firm, gasproof, gastight, hermetic, hermetically sealed, lightproof, lighttight, oilproof, oiltight, rainproof, raintight, sealed, shut fast, smokeproof, smoketight, snug, staunch, stormproof, stormtight, tight, water-repellant, waterproof, watertight, windtight