(imp.&p.p.) of Underpin.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). underpinned. Retrieved September 20, 2026, from http://smartdefine.org/underpinned/definitions/2076736 |
| Chicago | Webster's. 2011. "underpinned" http://smartdefine.org/underpinned/definitions/2076736 (accessed September 20, 2026). |
| Harvard | Webster's 2011, underpinned, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/underpinned/definitions/2076736>. |
| MLA | Webster's. "underpinned" 28 May 2011. Web. 20 September 2026. <http://smartdefine.org/underpinned/definitions/2076736> |