cast-iron English

Meaning cast-iron meaning

What does cast-iron mean?

— adjective (= iron) extremely robust an iron constitution

What other words have the same or similar meaning as cast-iron?

iron unyielding uncompromising unbending stern steadfast rigid ironlike ironclad hard brassbound

How do I use cast-iron in a sentence?

If something goes wrong, we'll have cast-iron alibis or a top-notch lawyer.

And what a cast-iron nerve you got!

cast | iron