Word.ws English Dictionary

Plural of ultimatum

regular plural

The plural of ultimatum is ultimatums or ultimata.

Forms of ultimatum

Singularultimatum /ˌʌl.tɪˈmeɪ.təm/
Pluralultimatums
ultimata /ˌʌltɪˈmeɪtə/
Countablecountable

Meaning of ultimatum

  1. noun A final statement of terms or conditions made by one party to another, especially one that expresses a threat of reprisal or war if the terms are not met before some specified date and time.
  2. noun An intended final statement of terms or conditions made by one party to another in a negotiation.

Full definition of ultimatum

Questions about the plural of ultimatum

What is the plural of ultimatum?
The plural of ultimatum is ultimatums or ultimata.
Which is correct, ultimatums or ultimata?
Both are used. ultimatums is the more common of the two in English writing.
Is ultimatum countable?
Ultimatum is a countable noun.

Source and license

Adapted from Wiktionary: ultimatum (page history and authors) and the entries of its forms. Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws left out forms marked obsolete, archaic, rare or dialectal and added the examples. Wiktionary data of 2026-09-02.

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