| Induration 1. (n.) The act of hardening, or the process of growing hard. 2. (n.) State of being indurate, or of having become hard. 3. (n.) Hardness of character, manner, sensibility, etc.; obduracy; stiffness; want of pliancy or feeling. Thesaurus Entries Philistinism, armor, callosity, callousness, callus, flintiness, formidable defenses, hard heart, hard shell, hardenedness, hardheartedness, hardness, hardness of heart, heart of stone, imperviousness, insensitiveness, insensitivity, inuredness, obduracy, obdurateness, rhinoceros hide, stoniness, thick skin |