Prohibited and Unsanctioned

Prohibited

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

Unsanctioned and prohibited are semantically related in unapproved topic. In some cases you can use "Unsanctioned" instead an adjective "Prohibited", when it comes to topics like unauthorised.

Unsanctioned

Unsanctioned adjective - Without explicit official permission.

Prohibited and unsanctioned are semantically related in unapproved topic. You can use "Prohibited" instead an adjective "Unsanctioned", if it concerns topics such as unauthorised.
Cite this Source
Unsanctioned and Prohibited. (2016). Retrieved 2026, August 02, from https://thesaurus.plus/related/prohibited/unsanctioned
Prohibited & Unsanctioned. N.p., 2016. Web. 02 Aug. 2026. <https://thesaurus.plus/related/prohibited/unsanctioned>.
Unsanctioned or Prohibited. 2016. Accessed August 02, 2026. https://thesaurus.plus/related/prohibited/unsanctioned.
Google Ngram Viewer shows how "prohibited" and "unsanctioned" have occurred on timeline