[{"Bold_text": "verb (used with object)", "List Items": ["to make hard; harden, as rock, tissue, etc.:Cold indurates the soil.", "to make callous, stubborn, or unfeeling:transgressions that indurate the heart.", "to inure ; accustom :to indurate oneself to privation and suffering.", "to make enduring; confirm ; establish :to indurate custom through practice."]}, {"Bold_text": "verb (used without object)", "List Items": ["to become hard; harden .", "to become established or confirmed."]}, {"Bold_text": "adjective", "List Items": ["hardened ; unfeeling ; callous ;inured."]}]