adj. evil, spiteful; ferocious, fierce; faulty in character

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Adjective
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"
(synonym) barbarous, brutal, cruel, fell, roughshod, savage
(similar) inhumane
2. having the nature of vice
(synonym) depraved, evil
(similar) wicked
3. marked by deep ill will; deliberately harmful; "a malevolent lie"; "poisonous hate...in his eyes"- Ernest Hemingway; "venomous criticism"; "vicious gossip"
(synonym) poisonous, venomous
(similar) malevolent, malicious

příd.jm. zákeřný; nebezpečný

Przym. okrutny; zjadliwy; niebezpieczny