Prohibited and Unauthorized

Prohibited

Prohibited adjective - That may not be permitted.
Usage example: there will be no toleration for smoking and other prohibited activities

Unauthorized is a synonym for prohibited in unlawful topic. In some cases you can use "Unauthorized" instead an adjective "Prohibited".

Unauthorized

Unauthorized adjective - Not endowed with authority.

Prohibited is a synonym for unauthorized in unlawful topic. You can use "Prohibited" instead an adjective "Unauthorized", if it concerns topics such as unapproved, disallowed.

Nearby Word: unauthorised

Both words in one sentence

  • All unauthorized photography, video reproduction, and shutting down of generators is strictly prohibited.
  • Dr. Eggman: All unauthorized photography, video reproduction, or shutting down of generators is strictly prohibited.
  • Translation: Yes In case you're wondering, the sign literally says "Entry forbidden to persons not authorized", or more idiomatically, "Unauthorized personnel prohibited"/"Authorized personnel only."
Cite this Source
Unauthorized and Prohibited. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/prohibited/unauthorized
Prohibited & Unauthorized. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/prohibited/unauthorized>.
Unauthorized or Prohibited. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/prohibited/unauthorized.
Google Ngram Viewer shows how "prohibited" and "unauthorized" have occurred on timeline