irruptive

[ ih-ruhp-tiv ]

/ ɪˈrʌp tɪv /

of, relating to, or characterized by irruption.

irrupting or tending to irrupt.

Petrology. intrusive.

Origin of irruptive

First recorded in 1585–95; irrupt + -ive

ir·rup·tive·ly, adverb un·ir·rup·tive, adjective

In the meantime, concern and suspense and irruptive wrath had their chief abode in the inner room of Remington and Evans.

The Sturdy Oak |Samuel Merwin, et al.
After Dolly's departure, Rinda had made a second irruptive entrance, with the announcement, "Gen'lem!"

Horace Chase |Constance Fenimore Woolson
One was an irruptive craving within him to take some part in the dynamic activities of the surrounding world.

Average Jones |Samuel Hopkins Adams
Fact is, gallant little Wales was swamped by irruptive Ireland.

Punch, Or The London Charivari, Vol. 99., December 13, 1890 |Various

They seem to be a necessary evil to be classed with smallpox, chicken-pox, yellow fever and other irruptive diseases.

Poems for Pale People |Edwin C. Ranck

irruptive

/ (ɪˈrʌptɪv) /

irrupting or tending to irrupt

of, involving, or causing irruption

obsolete (of igneous rocks) intrusive

irruptively, adverb