English

Etymology

    From authorit(y) + -ative.

    Pronunciation

    Adjective

    authoritative (comparative more authoritative, superlative most authoritative)

    1. Arising or originating from a figure of authority.
      Synonyms: formal, proper, ex cathedra
      The authoritative rules in this school come not from the headmaster but from the aged matron.
    2. Highly accurate or definitive; treated or worthy of treatment as a scholarly authority.
      Synonyms: definitive, of record, precise
      This book is the world's most authoritative guide to insect breeding habits.
    3. Having a commanding style.
      Synonyms: grave, magisterial, masterful, oracular, sterling
      He instructed us in that booming, authoritative voice of his.
      • 2013 June 29, Leo Montada, “Coping with Life Stress”, in Herman Steensma, Riël Vermunt, editors, Social Justice in Human Relations Volume 2: Societal and Psychological Consequences of Justice and Injustice[1], Springer Science & Business Media, →ISBN, page 26:
        The fourth model is called the enlightment model: Actors are seen to be responsible for problems but unable or unwilling to provide solutions. They are believed to need discipline provided by authoritative guidance. The Alcoholic Anonymous[sic] groups are considered prototypical for this model.
      • 2026 January 29, “Woke rhetoric & design in Star Trek: Starfleet Academy (Paramount / CBS, 2026)”, in An Actor Explains[2], via Substack, archived from the original on 2 February 2026:
        Woke is here to undermine Star Trek and Starfleet, so, in this conflict, Holly Hunter’s character manifests feminine traits instead of authoritative ones: she’s emotional, uncertain and vulnerable.

    Derived terms

    Translations

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