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English definition of “vicious”

vicious

adjective     /ˈvɪʃ.əs/
C2 describes people or actions that show an intention or wish to hurt someone or something very badly : a vicious thug a vicious dog The police said that this was one of the most vicious attacks they'd ever seen . He gave her a vicious look .Violent or aggressiveUnkind, cruel and unfeelingTreating people or animals badly C2 describes an object , condition , or remark that causes great physical or emotional pain : a large collection of vicious medieval torture instruments I've got a vicious headache . Make sure you wrap up warmly - there's a vicious (= extremely strong and unpleasant ) wind out there. a vicious lie / accusation / rumour Violent or aggressiveUnkind, cruel and unfeelingTreating people or animals badly viciously     /-li/ adverb Violent or aggressiveUnkind, cruel and unfeelingTreating people or animals badly viciousness     /-nəs/ noun [U] Violent or aggressiveUnkind, cruel and unfeelingTreating people or animals badly
(Definition of vicious adjective from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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