irruption

English dictionary entry

Meanings

noun
  1. The action of irrupting or breaking into; a violent entry or invasion; an inbreaking; an intrusion.
  2. An abrupt increase of an animal population.
  3. An abrupt increase in the size of a movement or organization.

Word forms

irruption irruptions

Etymology

From Middle French irruption, from Latin irruptiō(n).

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