brutal

adjective6

1. •
   hurting people in a wild and very cruel way, without any pity

   • The game was brutal, but after a bloodbath he finally won.
2. •
   Harsh; unrelenting.
3. •
   Disagreeably precise or penetrating.
4. •
   Direct and without attempt to disguise unpleasantness.
5. •
   Crude or unfeeling in manner or speech.
6. •
   (figurative) In extreme metal, to describe the speed of the music and the density of riffs.