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a breaking or bursting in; a violent incursion or invasion
Not to be confused with:
eruption – sudden, violent outburst; ejection of molten rock or steam from a volcano or geyser
intr.v. ir·rupt·ed, ir·rupt·ing, ir·rupts
1. To break or burst in: The boys irrupted into the kitchen.
2. Ecology To increase rapidly in number, especially beyond the normal range: snowy owls that irrupted southward.
[Latin irrumpere, irrupt- : in-, in; see in-2 + rumpere, to break; see reup- in Indo-European roots.]
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|Noun||1.||irruption - a sudden violent entrance; a bursting in; "the recent irruption of bad manners"|
|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
|3.||irruption - a sudden violent spontaneous occurrence (usually of some undesirable condition); "the outbreak of hostilities"|
epidemic - a widespread outbreak of an infectious disease; many people are infected at the same time
recrudescence - a return of something after a period of abatement; "a recrudescence of racism"; "a recrudescence of the symptoms"