Antediluvian and Progressive

Antediluvian

Antediluvian noun - A person with old-fashioned ideas.
Usage example: an antediluvian who thought women shouldn't work outside the home

Progressive is an antonym for antediluvian.

Progressive

Progressive adjective - Being far along in development.
Usage example: progressive forms of animal life

Antediluvian is an antonym for progressive.

Cite this Source
Progressive and Antediluvian. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/antediluvian/progressive
Antediluvian & Progressive. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/antediluvian/progressive>.
Progressive or Antediluvian. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/antediluvian/progressive.
Google Ngram Viewer shows how "antediluvian" and "progressive" have occurred on timeline