Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun irruption

3 senses of irruption

Sense 1
irruption -- (a sudden violent entrance; a bursting in; "the recent irruption of bad manners")
       => entrance, entering, entry, ingress, incoming -- (the act of entering; "she made a grand entrance")

Sense 2
irruption -- (a sudden sharp increase in the relative numbers of a population)
       => population growth -- (increase in the number of people who inhabit a territory or state)

Sense 3
outbreak, eruption, irruption -- (a sudden violent spontaneous occurrence (usually of some undesirable condition); "the outbreak of hostilities")
       => happening, occurrence, occurrent, natural event -- (an event that happens)