# irruption

> English word · Noun

## Definitions
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.

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

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/irruption