Extensive and Underweight

Extensive

Extensive adjective - Having considerable extent.

Underweight is an antonym for extensive.

Underweight

Underweight adjective - Having little weight.
Usage example: the long illness left him frail and underweight

Extensive is an antonym for underweight.
Cite this Source
Underweight and Extensive. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/extensive/underweight
Extensive & Underweight. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/extensive/underweight>.
Underweight or Extensive. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/extensive/underweight.
Google Ngram Viewer shows how "extensive" and "underweight" have occurred on timeline