Definition of vicious
- a vicious dog
- a vicious wage-price spiral
a vicious tone of voice
I know you're upset with her, but there's no need to be vicious.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'vicious.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
First Known Use: 14th centurySee Words from the same year
: very violent and cruel
: very dangerous
: having or showing very angry or cruel feelings
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