(noun, verb)


1. a sudden violent spontaneous occurrence (usually of some undesirable condition)

- the outbreak of hostilities

Similar word(s): eruption, irruption

Definition categories: event, happening, occurrence, occurrent

Sentences with outbreak as a noun:

- Any epidemic outbreak causes understandable panic

- There has been an outbreak of vandalism at the school.

- There has been an outbreak of broken windows in the street.


1. (intransitive) To burst out

2. (intransitive) To break forth