- A bursting in; a sudden, violent rushing into a place;
as, irruptions of the sea. - A sudden and violent inroad, or entrance of invaders;
as, the irruptions of the Goths into Italy.
Meaning of 'irruption' (Princeton's WordNet)
1 . irruption
[ n]
Meaning (1): - a sudden violent spontaneous occurrence (usually of some undesirable condition)
Example in sentence:
the outbreak of hostilities
Meaning (2): - a sudden violent entrance; a bursting in