Obdurate
[adj] showing unfeeling resistance to tender feelings; "the child's misery would move even the most obdurate heart"
[adj] stubbornly persistent in wrongdoing
Related Information
Related Terms
adamant, asleep, benumbed, bony, brazen, callous, calloused, case-hardened, cement, cemental, cold, cold of heart, coldblooded, coldhearted, concrete, conscienceless, corneous, dead, deadened, dense, diamondlike, dogged, dour, dull, dure, firm, flintheart