Definition of vicious in English:

vicious

Syllabification: vi·cious
Pronunciation: /ˈviSHəs
 
/

adjective

1Deliberately cruel or violent: a vicious assault
More example sentences
  • This was a cowardly, savage and vicious attack on a man who was utterly helpless.
  • It was a brutal, vicious and pitiless attack in which you showed your victim no mercy.
  • The tabloids violated my family's privacy in a manner that I felt was vicious and indecent.
Synonyms
1.1(Of an animal) wild and dangerous to people.
More example sentences
  • It seems I am now safely in my home, far from the menacing arms of the vicious beast which drove me from the wild!
  • Bloodstained snow, heavy cloaks, blackened eyes, Indian rites, puritanical fire and brimstone and the ominous howl of vicious wolf beasts.
  • I would like to warn cat owners about a vicious dog in the Long Ditton area.
1.2Serious or dangerous: a vicious flu bug
More example sentences
  • The race officer used great imagination, setting several angles across the lake, but conditions were difficult with vicious squalls and considerable wind shifts.
  • A person can be successfully evil only if he or she can embody a peculiarly nasty blend of vicious evil and laudable good.
  • As aggressive as enemy soldiers in the ‘Great War’, the flu proved a vicious killer.
2 literary Immoral: every soul on earth, virtuous or vicious, shall perish
More example sentences
  • What had made me smile was his vicious and vile bigotry.
  • As nations become more corrupt and vicious, they have more need of masters.
  • Satan, who represents Evil, the utterly vicious, is yet not a monster because he also fits absolutely into a certain moral universe, a certain symbolic order.
3 archaic (Of language or a line of reasoning) imperfect; defective.

Origin

Middle English (in the sense 'characterized by immorality'): from Old French vicious or Latin vitiosus, from vitium 'vice'.

Derivatives

viciously

adverb
More example sentences
  • So this is a man who can turn viciously on people who don't act in a moral way that he thinks is appropriate.
  • Two young men are still fighting for life after being viciously beaten in separate night attacks in Cork.
  • A gang of thugs viciously assaulted a teenager with a ninja weapon having chased him through the town centre.

viciousness

noun
More example sentences
  • Men who practice viciousness and vileness are shown no mercy by the gods.
  • Despite the sheer viciousness of the anthrax-letter attacks, the actual impact on public health was and is small.
  • Their attempt to quietly kill all mention of their society's history of viciousness and race hatred and their part in it has failed.

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