Words similar to hardened

Example sentences for: hardened

How can you use “hardened” in a sentence? Here are some example sentences to help you improve your vocabulary:

It is actually 95% tin, hardened with a 5% alloy of antimony and copper.
A page later, this has hardened into a certainty that the bees "are a reminder of the miserable facts of labor that Keats had condemned during his walking tour in Scotland ..."
The TSA should require that every passenger aircraft carrying cargo must deploy at least one hardened container to carry any suspect cargo.
He wears a steel mask over a helmet whose bill points backward, a style that invariably makes even the most hardened, mature catcher seem oddly juvenile, a man who failed to grow up.
Yet, most of these hardened criminals are still paroled well before they have served out their latest sentence behind bars.