Outbreak
/ˈaʊˌtbreɪk/
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Definition
(noun) An eruption; the sudden appearance of a rash, disease, etc.
Sentence Examples
A chain of events led to the outbreak of the war.
There is no need to be unnecessarily anxious about the outbreak.
CEFR Practice Quiz
Health authorities scrambled to contain the ____ of the infectious disease before it spread further.