Legal Definition and Related Resources of Ultimatum

Meaning of Ultimatum

The last offer or condition, failure to accept or comply which is threatened to be visited with adverse consequence.

Ultimatum Alternative Definition

(Lat.) The last proposition made in making a contract, a treaty, and the like; as, the government of the United States has given its ultimatum, has made the last proposition it will make to complete the proposed treaty. The word also means the result of a negotiation, and it comprises the final determination of the parties concerned in the object in dispute.

Synonyms of Ultimatum


  • condition
  • demand
  • exaction
  • extrema condicio
  • final condition
  • final offer
  • final proposal
  • final proposition
  • last offer
  • notice
  • proposition
  • provision
  • proviso
  • requirement
  • requisite
  • specification
  • stipulation
  • threat
  • warning

Related Entries of Ultimatum in the Encyclopedia of Law Project

Browse or run a search for Ultimatum in the American Encyclopedia of Law, the Asian Encyclopedia of Law, the European Encyclopedia of Law, the UK Encyclopedia of Law or the Latin American and Spanish Encyclopedia of Law.

Ultimatum in Historical Law

You might be interested in the historical meaning of this term. Browse or search for Ultimatum in Historical Law in the Encyclopedia of Law.

Legal Abbreviations and Acronyms

Search for legal acronyms and/or abbreviations containing Ultimatum in the Legal Abbreviations and Acronyms Dictionary.

Related Legal Terms

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Ultimatum in the Dictionary Ultimatum in our legal dictionaries
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Related topics Ultimatum in the World Encyclopedia of Law


This definition of Ultimatum is based on the The Cyclopedic Law Dictionary . This entry needs to be proofread.

Vocabularies (Semantic Web Information)


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https://legaldictionary.lawin.org/ultimatum/ The URI of Ultimatum (more about URIs)

Ultimatum in Diplomatic Law


A last statement indicating a final position. On occasion a prelude to the initiation of military action.


See Also

Further Reading

  • Satow’s Diplomatic Practice, Ivor Roberts
  • Modern Diplomacy, R.P. Barnston



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