Harden'd

There are, ’tis true, ſome People ſo Harden’d in Wickedneſs, as to have No Senſe at all of the moſt Friendly Offices, or the Higheſt Benefits.

Source: wiktionary

The Monſter mad with Rage, and ſtung with Smart, / His Lance directed at the Hero’s Heart: / It ſtrook; but bounded from his harden’d Breaſt, […]

Source: wiktionary

“Nobody loves a play better than you do, or can have gone much farther to see one.” “True, to see real acting, good harden’d real acting; but I would hardly walk from this room to the next, to look at the raw efforts of those who have not been bred to the trade,—a set of gentlemen and ladies, who have all the disadvantages of education and decorum to struggle through.”

Source: wiktionary

That is—I fear you are most harden'd sinners, / Who in close coffers keep the light of grace / From needy brothers and from young beginners, / That it may shine upon your own dull race.

Source: wiktionary