Definition of "hardcore"

Having an extreme dedication to a certain activity.  examples

(colloquial) Particularly intense; thrillingly dangerous or erratic; desirably violent in appearance; pleasing or "cool" due to intensity or danger.  examples

Resistant to change.  examples

Obscene or explicit.  examples

(pornography) Depicting penetration and abnormal sexual activity.  examples

(music) Faster or more intense than the regular style.  examples

Broken bricks, stone and/or other aggregate used as foundations, especially in road and path laying.  quotations  examples

Several music genres, including:

1. Hardcore punk.  quotations  examples

   Quotations

   • Fields began recording the hardcore punk bands in 1978 when few others would.

     1981, Cary Darling, Billboard, page 10

2. Gangsta rap.  examples

3. Hardcore techno.  examples

4. Jungle.  quotations  examples

   Quotations

   • Always more multiracial than other post-Rave scenes, Hardcore got “blacker” as hiphop, Ragga, dub and Soul influences kicked in, and by 93 it had evolved into Jungle. By this point, Hardcore/Jungle (the terms remain interchangeable) was universally scorned by dance hipsters and banished from the media.

     1994 September, Simon Reynolds, “Above The Treeline”, in The Wire‎

5. Outlaw country.  examples