Extensive and Plenary

Extensive

Extensive adjective - Having considerable extent.

Plenary and extensive are semantically related. In some cases you can use "Plenary" instead an adjective "Extensive".

Plenary

Plenary adjective - Not lacking any part or member that properly belongs to it.
Usage example: the delegation to the international convention was given plenary authority to negotiate a treaty in the nation's best interest

Extensive and plenary are semantically related. Sometimes you can use "Extensive" instead an adjective "Plenary".
Cite this Source
Plenary and Extensive. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/extensive/plenary
Extensive & Plenary. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/extensive/plenary>.
Plenary or Extensive. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/extensive/plenary.
Google Ngram Viewer shows how "extensive" and "plenary" have occurred on timeline