Crossword clues for the word: HARDCORE The word HARDCORE has appeared as an answer to at least 9 crossword clues on different crossword puzzles. Crossword clues for HARDCORE Showing 1 to 9 of 9 results Clue(s) 1979 George C. Scott seamy drama Dyed-in-the-wool Minor Threat's genre Strong at heart, can help in laying a foundation Type of rock providing road-building material Unswervingly committed Unyielding element of a group. Unyielding nucleus of a group Very dedicated, as a gamer: Hyph.