1 synonym for Vicious

diabolical, demonic, devilish, malevolent, wicked, evil, sinister, nefarious, infernal, monstrous, hellish, satanic, malignant, vile, cruel, atrocious, heinous, fiendish, inhuman, brutal, vicious, malicious, sadistic, barbaric, ruthless, beastly, savage, bloodthirsty, ferocious, remorseless, merciless, heartless, pitiless, unfeeling, callous, cold-blooded, ghoulish, grim, ghastly, horrid, dreadful, frightful, appalling, shocking, abhorrent, detestable, loathsome, repugnant, repulsive, odious [x]