vicious (
http://definr.com/vicious)
adj 1: (of persons or their actions) able or disposed to inflict
pain or suffering; "a barbarous crime"; "brutal
beatings"; "cruel tortures"; "Stalin's roughshod
treatment of the kulaks"; "a savage slap"; "vicious
kicks" [syn:
barbarous,
brutal,
cruel,
fell,
roughshod,
savage]
2: having the nature of vice [syn:
depraved,
evil]
3: marked by deep ill will; deliberately harmful; "a malevolent
lie"; "poisonous hate...in his eyes"- Ernest Hemingway;
"venomous criticism"; "vicious gossip" [syn:
poisonous,
venomous]