Definitions of irruption
  1. noun
    a sudden violent entrance; a bursting in
    “the recent irruption of bad manners”
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    type of:
    entering, entrance, entry, incoming, ingress
    the act of entering
  2. noun
    a sudden sharp increase in the relative numbers of a population
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    type of:
    population growth
    increase in the number of people who inhabit a territory or state
  3. noun
    a sudden violent spontaneous occurrence (usually of some undesirable condition)
    synonyms: epidemic, eruption, outbreak
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    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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