• WordNet 3.6
    • n ultimatum a final peremptory demand
    • ***
Webster's Revised Unabridged Dictionary
    • Ultimatum A final demand, the rejection of which may lead to a resort to force or other compelling action by the party presenting the ultimatum. In international diplomacy, an ultimatum may be used as by the demanding country as a signal to other countries that it gave the other country a seemingly reasonable opportunity to avoid a war; in this way, the demanding country may seek to avoid responsibility for starting a war.
    • Ultimatum 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 that a negotiator can offer, the rejection of which usually puts an end to the hesitation.
    • ***
Century Dictionary and Cyclopedia
    • n ultimatum A final proposal or statement of conditions; especially, in diplomatic negotiations, the final terms of one of the parties, the rejection of which may involve an immediate rupture of diplomatic relations and even lead to a declaration of war.
    • ***
Chambers's Twentieth Century Dictionary
    • n Ultimatum the final proposition or terms for a treaty:—pl. Ultimā′ta
    • ***


Webster's Revised Unabridged Dictionary
NL. See Ultimate
Chambers's Twentieth Century Dictionary
L. ultimus, the last, superl. of ulter.


In literature:

And all three, their ultimatum delivered, looked at Blondel, a challenge in their eyes.
"The Long Night" by Stanley Weyman
No man had ever issued ultimatums to her.
"North of Fifty-Three" by Bertrand W. Sinclair
An ultimatum was therefore despatched on the 22nd of October 1885.
"Encyclopaedia Britannica, 11th Edition, Volume 4, Part 4" by Various
But stout decision, sternness, defiant ultimatums, win out with him.
"Villa Elsa" by Stuart Henry
Madam's ultimatums and Miss Isobel's protests had alike proved unavailing.
"Quin" by Alice Hegan Rice
For a moment there was silence as Elk stumblingly put into Sioux the lieutenant's ultimatum.
"Under Fire" by Charles King
After favouring me with his ultimatum, the Vicomte looked at me expectantly.
"Dross" by Henry Seton Merriman
As for Baldy, he sat confronting the tall, thin Indian who had announced the ultimatum of his tribe.
"The Moving Picture Girls at Rocky Ranch" by Laura Lee Hope
Ultimatum to Serbia criticised, 109, 136, 189, 195, 202, 203, 339, 559.
"Current History, A Monthly Magazine" by New York Times
While hopping, he delivered his ultimatum.
"Love Among the Chickens" by P. G. Wodehouse

In news:

Cuomo offers WFP an ultimatum .
The state's latest education ultimatum .
Jeff Loomis "The Ultimatum " Lead Guitar Lesson.
Paul Greengrass of 'The Bourne Ultimatum ' for Best Director.
Boehner's ultimatum will wreck the economy.
Should You Give Him an Ultimatum .
It's a relationship myth that giving your guy an ultimatum will mess things up.
Open Source / Microsoft Gives Yahoo Ultimatum on Buyout Offer.
Internal debate in WFP on Cuomo's ultimatum .
Obama Delivers Ultimatum to Qaddafi.
AG gives Troy election ultimatum .
Apples Mac OS X Ultimatum .
Stern details specifics of ultimatum in letter.
It Ain't Over: Kris Humphries Gives an Ultimatum .
HUD gives Galveston 30-day ultimatum .

In science:

Axelrod, The Evolution of Cooperation (Basic Books, New York, 1984). 13. M. A. Nowak, K. M. Page & K. Sigmund, Fairness Versus Reason in the Ultimatum Game. Science 289, 1773-1775 (2000). 14. D. J.
The Interactive Minority Game: a Web-based investigation of human market interactions