The Oxford Thesaurus An A-Z Dictionary of Synonyms - brutaladj.

1) inhuman, savage, cruel, pitiless, harsh, severe, barbaric, barbarous, beastly, bestial, sadistic, murderous; inhumane, heartless, hard-hearted, unkind, fierce, stony-hearted, insensitive, unfeeling, cold-blooded, unsympathetic, remorseless, ruthless, ferocious, atrocious, Draconian or Draconic, Literary fell: Few survived the brutal treatment in the concentration camps. 2) rude, ill-mannered, coarse, unrefined, boorish, ill-bred, rustic, crass, uncouth, uncultured, uncultivated, rough, crude: His brutal behaviour made him unfit to represent the Crown.