irruption

Estimated CEFR level: C2 — Proficiency

Estimated from word frequency; not an official CEFR classification.

Definition

noun a sudden violent entrance; a bursting in
noun a sudden sharp increase in the relative numbers of a population
noun a sudden violent spontaneous occurrence (usually of some undesirable condition)

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

The Infidels made an irruption. — Eastern Tales by Many Story Tellers, Unknown
[613] A new Magyar irruption would do Europe much good." — The Life of Sir Richard Burton, Thomas Wright
The music throbbed into the warnings that preceded the king’s irruption. — Ann Veronica: A Modern Love Story, H. G. (Herbert George) Wells

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