hard-core

adjective

1. 1

   Having an extreme dedication to a certain activity; diehard.

   “He's a hardcore gamer.”

2. 2

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

   “That show was hardcore, dude.”

3. 3

   Resistant to change.

4. 4

   Obscene or explicit.

5. 5

   Depicting penetration and abnormal sexual activity.

6. 6

   Faster or more intense than the regular style.