Ultimatum Definition

ŭltə-mātəm, -mä-
ultimata, ultimatums
noun
A final offer or demand, esp. by one of the parties engaged in negotiations, the rejection of which usually leads to a break in relations and unilateral action, the use of force, etc. by the party issuing the ultimatum.
Webster's New World
The final offer in negotiating an agreement, carrying with it the implication that if it is not accepted, bargaining will cease.
Webster's New World Law
Synonyms:

Other Word Forms of Ultimatum

Noun

Singular:
ultimatum
Plural:
ultimata, ultimatums

Origin of Ultimatum

  • From Latin ultimatus (“late, last final"), from Latin ultimus (“extreme, last, furthest, farthest, final")

    From Wiktionary

  • New Latin from neuter of Latin ultimātus last ultimate

    From American Heritage Dictionary of the English Language, 5th Edition

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