Irruption/ɪˈrʌpʃn/ Definition 1 of 2Pro Tip 1/3Sudden Disruption Emphasizes a rapid disturbance or interruption by an unexpected event. The irruption of protesters in the conference caused chaos. Pro Tip 2/3Dramatic Entrance Used to describe an entry or appearance that is striking and captures attention. An irruption of performers took the stage by storm. Pro Tip 3/3Negative Connotation Often has a negative connotation, implying an unwelcome or intrusive event. The meeting was interrupted by the abrupt irruption of noise from outside.