Big
Extensive
Extensive adjective - Large in spatial extent or range or scope or quantity.
Usage example: an extensive Roman settlement in northwest England
Big is a synonym for extensive in far-reaching topic. You can use "Big" instead an adjective "Extensive".
Mutual synonyms
Both words in one sentence
-
It's a very big brain, too, with what appears to be extensive cybernetic enhancements.
Source: Manga / Princess Resurrection - Blizzard's other big settings, Sanctuary and the Koprulu Sector, which are both getting pretty extensive supplements.
Source: World Building - Big rig trucks are often armed with extensive weaponry in case they're attacked by bandits or have to engage in autodueling.
Source: Technically a Transport
Cite this Source
Extensive and Big. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/big/extensive
Big & Extensive. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/big/extensive>.
Extensive or Big. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/big/extensive.
Google Ngram Viewer shows how "big" and "extensive" have occurred on timeline