1. extremely committed, dedicated, or uncompromising
Usage: informal
2. relating to the most active or committed members of a group

1. broken stones or bricks used as a foundation for roads
Usage: construction
2. a style of punk rock music characterized by fast, aggressive sounds
Usage: music

Examples

• She’s a hardcore runner who trains every day regardless of weather.
• The hardcore supporters stayed until the very end of the losing game.
• Only the hardcore members of the club attended the early morning meeting.
• The road crew laid down hardcore before adding the asphalt surface.
• The band played hardcore music with intense, fast-paced rhythms.
• He’s hardcore about his diet and never cheats on weekends.
• The hardcore gamers spent twelve hours straight playing the new release.