Definition Of outbreak
the sudden or violent start of something unwelcome, such as war, disease, etc..
the outbreak of World War II
Example Of outbreak
According to the National Disease Surveillance Centre, last year's outbreaks caused at least 2,000 people to become ill.
Acute diarrhoea was rare in these sections, and no outbreaks of gastroenteritis were recorded.
As the outbreak spread, political and medical authorities kept a tight lid on information.
Avian cholera outbreaks occur primarily in winter and early spring.
Conditions in Australian cities were so poor that Sydney suffered an outbreak of plague at the turn of the century.