a. | 1. | Hardened in feelings, esp. against moral or mollifying influences; unyielding; hard-hearted; stubbornly wicked. |
2. | Hard; harsh; rugged; rough; intractable. | |
v. t. | 1. | To harden. |
Adj. | 1. | obdurate - stubbornly persistent in wrongdoing |
2. | obdurate - showing unfeeling resistance to tender feelings; "the child's misery would move even the most obdurate heart" |