ironclad

This toughness makes the diabolical ironclad beetle pretty predator-proof.

The Dallas case is breaking some of our ironclad assumptions.

But its now obvious the ironclad security guarantees they claimed to provide are perfectly hollow.

The other rule, which is just as ironclad, gave rise to their motto: “Blood In/Blood Out.”

The ironclad rule for entrée into the Brotherhood is simple: kill a black or a Hispanic prisoner.

U.S. tanks parked at the edge of its main street, providing ironclad overwatch.

However, it is important historically as the first battle of ironclad vessels in the United States.

And, like the Cut-Leaved Birch, it is ironclad in its hardiness.

The Speedy had not been able to withstand a torpedo that would have destroyed an ironclad as easily as a fishing-boat!

The ironclad monopoly enjoyed by the Harriman and Hill lines would probably have prevented this in any event.

I would as soon have a paper ship as an ironclad; only give me men to fight her!