Synonyms to floodproof

leakproof, airtight, ballproof, bombproof, bulletproof, burglarproof, corrosionproof, dampproof, dripproof, fire-resisting, fireproof, flameproof, foolproof, hermetic, holeproof, impervious to, moistureproof, noiseproof, proof, proof against, punctureproof, rainproof, raintight, resistant, rustproof, seepproof, shatterproof, shellproof, soundproof, stormproof, stormtight, tight, waterproof, watertight, weatherproof, bold, close, compact, dustproof, dusttight, fast, firm, fit for sea, gasproof, gastight, hermetically sealed, insulate, lightproof, lighttight, oilproof, oiltight, sea-kindly, sealed, seaworthy, shut fast, smokeproof, smoketight, snug, staunch, stiff, tender, water-repellant, weatherly, windproof, windtight, fire-resist