Definition of Vicious

Adjective: vicious vi-shus

(of persons or their actions) able or disposed to inflict pain or suffering
"vicious kicks";
- barbarous, brutal, cruel, fell, roughshod, savage
Having the nature of vice
- evil
Bringing or deserving severe rebuke or censure
"a vicious waste of talent";
- condemnable, criminal, deplorable, reprehensible
Marked by deep ill will; deliberately harmful
"vicious gossip"; "took vicious pleasure in...watching me wince";
- poisonous, venomous, malicious