Hard-core
Hard-core adjective - Firmly established over time.
Usage example: the hard-core habits that generate our mountains of trash everyday will be extremely difficult to change
Cite this Source
Regular and Hard-core. (2016). Retrieved 2026, July 29, from https://thesaurus.plus/related/hard-core/regular
Hard-core & Regular. N.p., 2016. Web. 29 Jul. 2026. <https://thesaurus.plus/related/hard-core/regular>.
Regular or Hard-core. 2016. Accessed July 29, 2026. https://thesaurus.plus/related/hard-core/regular.