- (n.) An additional or extra tax.
- (v.t.) To impose an additional tax on.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). surtax. Retrieved September 24, 2026, from http://smartdefine.org/surtax/definitions/2069090 |
| Chicago | Webster's. 2011. "surtax" http://smartdefine.org/surtax/definitions/2069090 (accessed September 24, 2026). |
| Harvard | Webster's 2011, surtax, Smart Define, viewed 24 September, 2026, <http://smartdefine.org/surtax/definitions/2069090>. |
| MLA | Webster's. "surtax" 28 May 2011. Web. 24 September 2026. <http://smartdefine.org/surtax/definitions/2069090> |