English Lexicon

Ultimatum

/ˌʌl.tɪˈmeɪ.təm/
nounCEFR C1 (Advanced)Top #4500 frequency
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Comprehensive Definitions & Senses

2 senses
As noun
  1. 1

    A final demand or statement of terms, the rejection of which will result in retaliation or a breakdown in relations.

    "The government issued an ultimatum to the rebels to lay down their arms within 48 hours."
  2. 2

    A final, uncompromising proposition or condition.

    "She gave her landlord an ultimatum: fix the heating or she would withhold the rent."

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Antonyms & Contrasting Words (1)

Linguistic Origin & Historical Etymology

Derived from Modern Latin 'ultimatum', meaning 'the last thing', based on the Latin adjective 'ultimus', meaning 'last' or 'furthest'. It entered English in the late 18th century from French diplomatic usage, originally denoting a final set of conditions or terms offered by a negotiating party.

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