Hardened; not soft; indurated.
- To make hard; harden: soil that had been indurated by extremes of climate.
- To inure, as to hardship or ridicule.
- To make callous or obdurate: "It is the curse of revolutionary calamities to indurate the heart” ( Helen Maria Williams).
- To grow hard; harden.
- To become firmly fixed or established.
- Hardened; obstinate; unfeeling.