brutal

/หˆbษนuหtษ™l/
adjective
  1. 1

    Savagely violent, vicious, ruthless, or cruel

  2. 2

    Crude or unfeeling in manner or speech.

  3. 3

    Harsh; unrelenting

  4. 4

    Disagreeably precise or penetrating

  5. 5

    In extreme metal, to describe the speed of the music and the density of riffs.

Source: https://en.wiktionary.org/wiki/brutal