Examples of use of iron-clad
1. Such unspoken agreements, however, are hardly iron–clad.
2. He agreed on Monday to go ahead with negotiations without any iron–clad guarantees.
3. The cavalrymen and their horses were all iron–clad in Koguryo.
4. The iron–clad cavalry of Koguryo stroke terror into the hearts of the enemy.
5. He pledged to work with Congress on a remedy, but made no iron–clad promises.