Noun irruption has 3 senses
  1. irruption - a sudden violent entrance; a bursting in; "the recent irruption of bad manners"
    --1 is a kind of
    entrance, entering, entry, ingress, incoming
    Derived form: verb irrupt1
  2. irruption - a sudden sharp increase in the relative numbers of a population
    --2 is a kind of
    population growth
  3. outbreak, eruption, irruption - a sudden violent spontaneous occurrence (usually of some undesirable condition); "the outbreak of hostilities"
    --3 is a kind of happening, occurrence, natural event
    --3 has particulars: epidemic; recrudescence
    Derived form: verb irrupt2
,
TOP