Ultimate vs. Ultimatum — What's the Difference?

Being last in a series, process, or progression

An ultimatum (; Latin for 'the last one') is a demand whose fulfillment is requested in a specified period of time and which is backed up by a threat to be followed through in case of noncompliance (open loop). An ultimatum is generally the final demand in a series of requests.

Final; last in a series.

A final offer or demand made by one party to another, especially in diplomatic negotiations, expressing or implying the threat of serious consequences or the breakoff of relations if the terms are not accepted.

(of a syllable) Last in a word or other utterance.

A final statement of terms or conditions made by one party to another, especially one that expresses a threat of reprisal or war.

Being the greatest possible; maximum; most extreme.

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.

Being the most distant or extreme; farthest.

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.

That will happen at some time; eventual.

A final peremptory demand

Last in a train of progression or consequences; tended toward by all that precedes; arrived at, as the last result; final.

Incapable of further analysis; incapable of further division or separation; constituent; elemental.

The most basic or fundamental of a set of things

The final or most distant point; the conclusion

The greatest extremity; the maximum

Ellipsis of ultimate frisbee/ultimate disc

To finish; to complete.

Farthest; most remote in space or time; extreme; last; final.

Last in a train of progression or consequences; tended toward by all that precedes; arrived at, as the last result; final.

Incapable of further analysis; incapable of further division or separation; constituent; elemental; as, an ultimate particle; an ultimate constituent of matter.

To come or bring to an end or issue; to eventuate; to end.

To come or bring into use or practice.

Furthest or highest in degree or order; utmost or extreme;

Being the last or concluding element of a series;

Being the ultimate or elemental constituents of anything;