Durable; tough; resilient.
Inflexible or without exception.
Made of cast iron.
A hard and brittle, but strong, alloy of iron, carbon, and silicon, formed by casting in a mould.
Courageous or showing bravery; doughty.
Racy; sexually provocative.
Adventurous, willing to take on or look for risks; overbold.
Boldness.