Definition of authoritative in English:

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Pronunciation: /əˈTHôrəˌtādiv/


1Able to be trusted as being accurate or true; reliable: clear, authoritative information and advice an authoritative source
More example sentences
  • 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.
reliable, dependable, trustworthy, sound, authentic, valid, attested, verifiable;
1.1(Of a text) considered to be the best of its kind and unlikely to be improved upon: the authoritative study of mollusks
More example sentences
  • 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.
definitive, most reliable, best;
authorized, accredited, recognized, accepted, approved, standard, canonical
2Commanding and self-confident; likely to be respected and obeyed: she had an authoritative air his voice was calm and authoritative
More example sentences
  • 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.
assured, confident, assertive;
commanding, masterful, lordly;
domineering, imperious, overbearing, authoritarian
informal bossy
2.1Proceeding from an official source and requiring compliance or obedience: authoritative directives
More example sentences
  • What is required is the authoritative resolution of a legal issue.



Pronunciation: /əˈTHôrəˌtādivnəs/
Example sentences
  • What he lacks in scholarly authoritativeness, he makes up for in readability: this is an enjoyable journey through the ups and downs of Machiavelli's life.
  • He has had no problem mastering the tone of authoritativeness.
  • However, it also represents an important element in creating a sense of authoritativeness on the part of the ethnographer.

For editors and proofreaders

Syllabification: au·thor·i·ta·tive

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