Definition of authoritative in English:


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  • 1Able to be trusted as being accurate or true; reliable.

    ‘clear, authoritative information and advice’
    • ‘an authoritative source’
    • ‘There isn't an exhaustive amount of authoritative or reliable information about his life, and there is an exhaustive amount of confusing folklore.’
    • ‘The National Atlas makes authoritative, reliable geographic information more readily accessible to the public.’
    • ‘For years and years, they have been the most authoritative and the most reliable sources of information in their communities.’
    • ‘So I simply pulled together some quotes - just the facts, taken from the most authoritative and reliable sources I could find.’
    • ‘It is important, therefore, for skin and wound care practitioners to be able to turn to credible, authoritative sources of information on skin and wound management.’
    • ‘This was pretty much what one would expect, and people of my age generally regard the Times as an authoritative source of accurate news.’
    • ‘But there are more authoritative and accurate sources on which to spend your money.’
    • ‘They can also examine findings from the British Crime Survey, the most authoritative and reliable indicator of crime trends, and look at police recorded crime statistics for each region and for all of England and Wales.’
    • ‘Yet most students who enrolled in the new course saw the Internet as not only authoritative and reliable, but also comprehensive.’
    • ‘These sources are, according to the figures represented, reliable, authoritative and well-meaning.’
    • ‘Although the Internet can be an excellent source of up to date and authoritative information much of it is unchecked and possibly unreliable.’
    • ‘If either of these claims were right, the epistemic status of science as an objective and authoritative source of information would be greatly reduced.’
    • ‘These provide the most authoritative sources of information about the management and activities of the New Australia and Cosme colonies.’
    • ‘If the IRS is the authoritative source of tax information, is there any reason to look elsewhere on the Net for tax expertise?’
    • ‘What marks it out from all other broadcasting organisations is that people trust implicitly that its journalism is impartial, authoritative and true.’
    • ‘Clinic staff may be seen as authoritative sources of prevention information.’
    • ‘The photographs chosen for the exhibition, in some cases printed for the first time, were intended to provide detailed and authoritative physiological information.’
    • ‘In the short term this means providing authoritative information in the form of a growing range of literature, a web site, a membership magazine as well as more innovative projects linking into the community.’
    • ‘On the other hand, we have normally acquired the relevant information from suitably authoritative sources, such as approved textbooks, and thus have reason to think it reliable.’
    • ‘I also can't see why some people see his book as the only authoritative source of information on the issue.’
    reliable, dependable, trustworthy, good, sound, authentic, valid, well founded, attested, certified, verifiable
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    1. 1.1(of a text) considered to be the best of its kind and unlikely to be improved upon.
      ‘the authoritative study of mollusks’
      • ‘As in other titles in this series, this has the authoritative text (here based on the first British edition of 1886 which sold for 1s.).’
      • ‘It follows the series' standard format with the authoritative text, here based on the 1674 edition with a few editorial changes, to which explanatory notes are given.’
      • ‘The same year, he published his famous manual on tropical diseases, an authoritative text that appeared in several subsequent editions.’
      • ‘In its afterword, he offered it to them as an authoritative text.’
      • ‘W. G. McMinn, A Constitutional History of Australia, is an authoritative text.’
      • ‘This edition, however, is commonly treated as standard in American academic texts, including several authoritative studies of the history of the Novel.’
      • ‘The book remains the authoritative record of the hospital in its first hundred years.’
      • ‘This is a context in which cultural tradition, informal transmission and personal experience of efficacy, are likely to be as important as authoritative texts or the opinions of religious professionals.’
      • ‘It is a sad fact of history that authoritative texts held in common but read differently are less likely to create mutual sympathy than bitter division between religious communities.’
      • ‘I suspect that the day of the authoritative textbook has forever passed.’
      • ‘But its contents elevate it to the status of an authoritative book.’
      • ‘For more information on calculus textbooks written in the nineteenth century, see the authoritative article by George Rosenstein.’
      • ‘The lesson is: there is always an inherent danger in compiling authoritative lists, as something will always be forgotten.’
      • ‘It stands without peer in the public arena as the most authoritative record of one of the nation's most trying experiences.’
      • ‘Gombrich in his authoritative masterwork The Story of Art, mentions it only once, and it has historically been the Cinderella of the visual arts.’
      definitive, most reliable, best, most scholarly
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  • 2Commanding and self-confident; likely to be respected and obeyed.

    ‘his voice was calm and authoritative’
    • ‘she had an authoritative air’
    • ‘The older one had that dominating, authoritative air about him.’
    • ‘They were still waiting over an hour later as the police went about using their metal barricades and polite but authoritative commands to disperse the area.’
    • ‘The role of Salieri demands a commanding and authoritative presence and this was supplied in abundance by Mark Craddock.’
    • ‘Henry, fighting the urge to just disappear and let the battle rage on, shifted somewhat pompously and very self-confidently into a loud authoritative voice.’
    • ‘‘Bring him to me,’ she commanded, her voice authoritative and unwavering.’
    • ‘His fluent Hindi and authoritative self-confidence impressed even the police.’
    • ‘If you want to command respect, having a strong, authoritative voice helps.’
    • ‘It is only when she sings of her sacred mission to lead her country's army that she assumes an authoritative tone which assures the listener that she can command an army in battle.’
    • ‘He held himself regally, an authoritative air surrounding him as he walked up to the group, his eyes holding amusement.’
    • ‘On television, he exudes confidence and authoritative judgment.’
    • ‘The voice is gentle, yet authoritative; both calming and commanding.’
    • ‘Stylistically, the filmmaking is assured, authoritative and straightforward.’
    • ‘An authoritative German voice crisped the air, asserting itself above the general drone.’
    • ‘His imposing physical stature is matched by an authoritative voice and the appearance of absolute confidence in his convictions.’
    • ‘She was sweet, yet authoritative, her ranking as Commander giving her more power then she had been ready to handle at first, but now she carried it well on her slim shoulders.’
    • ‘Her would-be husband had a reputation among the men as a quietly authoritative man, a demanding but not cruel commander.’
    • ‘His tone was so authoritative that, after a moment's thought, I obeyed.’
    • ‘On the personality side of the equation, the members are taught and given practical examples on how to be assertive, how to be authoritative and how to come across well in interview situations.’
    • ‘She managed to be both gentle and authoritative and I trusted her to bring you into the world.’
    self-assured, assured, self-confident, confident, sure of oneself
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    1. 2.1Proceeding from an official source and requiring compliance or obedience.
      ‘authoritative directives’
      • ‘What is required is the authoritative resolution of a legal issue.’
      official, legal, authorized, approved, validated, certified, endorsed, documented, sanctioned, licensed, recognized, authoritative, accepted, verified, legitimate, lawful, valid, bona fide, proper, prescribed, pro forma
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/əˈTHôrəˌtādiv/ /əˈθɔrəˌteɪdɪv/