(imp.&p.p.) of Steepen.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). steepened. Retrieved September 20, 2026, from http://smartdefine.org/steepened/definitions/2066163 |
| Chicago | Webster's. 2011. "steepened" http://smartdefine.org/steepened/definitions/2066163 (accessed September 20, 2026). |
| Harvard | Webster's 2011, steepened, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/steepened/definitions/2066163>. |
| MLA | Webster's. "steepened" 28 May 2011. Web. 20 September 2026. <http://smartdefine.org/steepened/definitions/2066163> |