Definition of ultra in English:


Line breaks: ultra
Pronunciation: /ˈʌltrə


  • An extremist: ultras in the animal rights movement
    More example sentences
    • Maybe there will be some attempted ideological putsch of Blairite ultras to come.
    • Today, Eureka has been taken over as much by those wishing Australia to declare itself a republic as by hard core left-wing unions and right-wing Nationalist ultras.
    • Bush advisers are quick to point out that the President is focusing on far more than GOP ultras.
    extremist, radical, fanatic, zealot, diehard, revolutionary, rebel, militant, subversive


early 19th century: an independent usage of ultra-, originally as an abbreviation of French ultra-royaliste.

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Word of the day coloratura
Pronunciation: ˌkələrəˈto͝orə
elaborate ornamentation of a vocal melody