(a.) Cold as a stone.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). stone-cold. Retrieved September 21, 2026, from http://smartdefine.org/stone-cold/definitions/2066747 |
| Chicago | Webster's. 2011. "stone-cold" http://smartdefine.org/stone-cold/definitions/2066747 (accessed September 21, 2026). |
| Harvard | Webster's 2011, stone-cold, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/stone-cold/definitions/2066747>. |
| MLA | Webster's. "stone-cold" 28 May 2011. Web. 21 September 2026. <http://smartdefine.org/stone-cold/definitions/2066747> |