- (a.) Hard; harsh; rugged; rough; intractable.
- (a.) Hardened in feelings, especially against moral or mollifying influences; unyielding; hard-hearted; stubbornly wicked.
- (v.t.) To harden.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). obdurate. Retrieved September 22, 2026, from http://smartdefine.org/obdurate/definitions/2037858 |
| Chicago | Webster's. 2011. "obdurate" http://smartdefine.org/obdurate/definitions/2037858 (accessed September 22, 2026). |
| Harvard | Webster's 2011, obdurate, Smart Define, viewed 22 September, 2026, <http://smartdefine.org/obdurate/definitions/2037858>. |
| MLA | Webster's. "obdurate" 27 May 2011. Web. 22 September 2026. <http://smartdefine.org/obdurate/definitions/2037858> |