In open sight; without trick, concealment, or deception.
Honestly; openly.
Direct and without attempt to disguise unpleasantness.
Disagreeably precise or penetrating.
Savagely violent, vicious, ruthless, or cruel.
Crude or unfeeling in manner or speech.
Harsh; unrelenting.
In extreme metal, to describe the speed of the music and the density of riffs.