Meaning of “ultimatum” in the English Dictionary

british dictionary

"ultimatum" in British English

See all translations

ultimatumnoun [ C ]

uk /ˌʌl.tɪˈmeɪ.təm/ us /ˌʌl.təˈmeɪ.t̬əm/ plural ultimatums or ultimata

(Definition of “ultimatum” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"ultimatum" in American English

See all translations

ultimatumnoun [ C ]

us /ˌʌl·təˈmeɪ·t̬əm/

a demand that a person or group do something to avoid something unpleasant:

The workers got an ultimatum – go back to work or face dismissal.

(Definition of “ultimatum” from the Cambridge Academic Content Dictionary © Cambridge University Press)

"ultimatum" in Business English

See all translations

ultimatumnoun [ C ]

uk /ˌʌltɪˈmeɪtəm/ us

a warning, usually the last and most threatening one in a series, in which someone is told that if they take a particular action, something unpleasant will happen to them:

issue/deliver/give an ultimatum The chairman has issued an ultimatum: sort out the problems, or the expansion will not take place.
Should I give him some kind of ultimatum to encourage him to retire?

(Definition of “ultimatum” from the Cambridge Business English Dictionary © Cambridge University Press)