Nonessential and Underived

Nonessential

Nonessential adjective - Not needed by the circumstances or to accomplish an end.

Underived is an antonym for nonessential.

Underived

Underived adjective - Not derived; primary or simple.

Nonessential is an antonym for underived in basic topic.
Cite this Source
Underived and Nonessential. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/nonessential/underived
Nonessential & Underived. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/nonessential/underived>.
Underived or Nonessential. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/nonessential/underived.
Google Ngram Viewer shows how "nonessential" and "underived" have occurred on timeline