Definitions of irruption

n a sudden violent entrance; a bursting in

“the recent irruption of bad manners”
Type of:
entering, entrance, entry, incoming, ingress
the act of entering

n a sudden sharp increase in the relative numbers of a population

Type of:
population growth
increase in the number of people who inhabit a territory or state

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

eruption, outbreak
a widespread outbreak of an infectious disease; many people are infected at the same time
a return of something after a period of abatement
an epidemic that is geographically widespread; occurring throughout a region or even throughout the world
Type of:
happening, natural event, occurrence, occurrent
an event that happens

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