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vicious

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vicious/ˈvɪʃəs/adjective
vicious
/ˈvɪʃəs/
adjective
Learner's definition of VICIOUS  
[more vicious; most vicious]
: very violent and cruel
: having or showing very angry or cruel feelings
informal  : very bad or severe

— viciously

adverb

— viciousness

noun,[noncount]
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