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.
We are not diplomats but prophets, and our message is not a compromise but an ultimatum. Aiden Wilson Tozer
Never give a golfer an ultimatum unless you're prepared to lose. Pauline Phillips
With parents, that's the only way sometimes that they can get across to their kids is by giving them an ultimatum. Harry Shum, Jr.
At the beginning, because the lives of the hostages were at stake, then during this silent period we have taken several measures like not accepting the ultimatum of the terrorists threatening to kill our foreign affairs minister. Alberto Fujimori
I think that, whether you liked the outcome or not, the reasons for doing 'Ultimatum' were necessary. The Ultimate Universe had become too much like the regular Marvel Universe, and that was certainly not a good thing for the line. Jonathan Hickman