Copious
Copious adjective - Pouring forth in great amounts.
Impervious and copious are semantically related. In some cases you can use "Impervious" instead an adjective "Copious".
Nearby Word: copiously
Impervious
Impervious adjective - Not allowing penetration (as by gas, liquid, or light).
Copious and impervious are semantically related. Sometimes you can use "Copious" instead an adjective "Impervious".
Nearby Word: imperviously
Mutual synonyms
Cite this Source
Impervious and Copious. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/copious/impervious
Copious & Impervious. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/copious/impervious>.
Impervious or Copious. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/copious/impervious.
Google Ngram Viewer shows how "copious" and "impervious" have occurred on timeline