[{"Bold_text": "noun", "List Items": ["the permanent, dedicated, and completely faithful nucleus of a group or movement, as of a political party.", "an unyielding or intransigent element in a social or structure, as that part of a group consisting of longtime adherents or those resistant to change.", "those whose condition seems to be without hope of remedy or change.", "Usuallyhard?core?.a form of punk rock or other nonmainstream popular music played in an intense, harsh, and fast style with more emphasis on rhythm than on melody."]}, {"Bold_text": "adjective", "List Items": ["unswervingly committed; uncompromising; dedicated:a hard-core segregationist.", "relating to or containing sexually arousing depictions that are very graphic or explicit:Compare soft-core .hard-core pornography.", "being so without apparent change or remedy; chronic:hard-core inflation; hard-core unemployment.", "very intense or extreme:hard-core workouts at the gym.", "Usuallyhard?core?.noting or relating to the music genre hardcore, or the subculture, clothing style, etc., associated with it:hardcore t-shirts and jeans.", "noting or relating to video games that can only be mastered with advanced skill and are played in longer sessions, or noting a player of such games:Compare casual(def8) casual(def8).hard-core gaming."]}]