(n.) A final proposition, concession or condition; especially, the final propositions, conditions or terms, offered by either of the parties in a diplomatic negotiation; the most favorable terms a negotiator can offer, the rejection of which usually puts an end to the hesitation.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). ultimatum. Retrieved September 25, 2026, from http://smartdefine.org/ultimatum/definitions/2076069 |
| Chicago | Webster's. 2011. "ultimatum" http://smartdefine.org/ultimatum/definitions/2076069 (accessed September 25, 2026). |
| Harvard | Webster's 2011, ultimatum, Smart Define, viewed 25 September, 2026, <http://smartdefine.org/ultimatum/definitions/2076069>. |
| MLA | Webster's. "ultimatum" 28 May 2011. Web. 25 September 2026. <http://smartdefine.org/ultimatum/definitions/2076069> |