Synonyms to bombproof

airtight, ballproof, bulletproof, burglarproof, close, compact, corrosionproof, dampproof, dustproof, dusttight, fast, fire-resisting, fireproof, firm, flameproof, foolproof, gasproof, gastight, hermetic, hermetically sealed, holeproof, impervious to, leakproof, lightproof, lighttight, noiseproof, oilproof, oiltight, proof, proof against, punctureproof, rainproof, raintight, resistant, rustproof, sealed, shatterproof, shellproof, shut fast, smokeproof, smoketight, snug, soundproof, staunch, stormproof, stormtight, tight, water-repellant, waterproof, watertight, weatherproof, windproof, windtight, cave, abri, air-raid shelter, antre, bend, bomb shelter, bow, bowl, break, break down, breakdown, breaking up, breakup, buckle, bunker, burrow, capitulate, cataclysm, catastrophe, cave in, cave-in, cavern, cavity, collapse, concave, concealment, couch, cove, cover, covert, coverture, crack-up, crash, crumple, cup, cyclone cellar, debacle, decline, defer, deflate, den, disaster, dish, droop, dugout, earth, fall in, fallout shelter, flop, flop down, flump, flump down, fold, fold up, form, founder, foxhole,