vicious
/ˈvɪʃəs/
adjective
- Deliberately cruel or violent.
- The dog gave a vicious growl when the stranger approached.
- He launched a vicious attack on his opponent during the debate.
- The bully's vicious comments hurt her deeply.
- Extremely severe or intense.
- A vicious storm knocked down power lines across the city.
- The team faced vicious competition in the championship.
- She had a vicious headache that wouldn't go away.
- (of an animal) dangerous and likely to attack.
- A vicious stray dog has been seen roaming the streets.
- The farmer had to put down the vicious bull.
- The zookeepers warned visitors about the vicious lion.