Authoritative and Unauthorized

Opposite meaning words

Authoritative adjective - Being the most accurate and apparently thorough.

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Unauthorized is an antonym for authoritative in official topic.

Nearby Words: authority, authoritarian

Unauthorized adjective - Not endowed with authority.

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Authoritative is an antonym for unauthorized.

Nearby Word: unauthorised

Cite this Source

Unauthorized and Authoritative. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/authoritative/unauthorized

Authoritative & Unauthorized. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/authoritative/unauthorized>.

Unauthorized or Authoritative. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/authoritative/unauthorized.

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