Old and Underivative

Old

Old adjective - Being of advanced years and especially past middle age.

Underivative is an antonym for old.

Nearby Words: oldie, olden, oldish

Underivative

Underivative adjective - Not derivative or imitative.

Old is an antonym for underivative in earliest topic.
Cite this Source
Underivative and Old. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/old/underivative
Old & Underivative. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/old/underivative>.
Underivative or Old. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/old/underivative.
Google Ngram Viewer shows how "old" and "underivative" have occurred on timeline