Supplemental and Underived

Supplemental

Supplemental adjective - Available to supply something extra when needed.

Underived is an antonym for supplemental.

Underived

Underived adjective - Not derived; primary or simple.

Supplemental is an antonym for underived in basic topic.
Cite this Source
Underived and Supplemental. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/supplemental/underived
Supplemental & Underived. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/supplemental/underived>.
Underived or Supplemental. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/supplemental/underived.
Google Ngram Viewer shows how "supplemental" and "underived" have occurred on timeline