irruptive

[ ih-ruhp-tiv ]
/ ɪˈrʌp tɪv /
|

adjective

of, relating to, or characterized by irruption.
irrupting or tending to irrupt.
Petrology. intrusive.

Origin of irruptive

First recorded in 1585–95; irrupt + -ive
Related formsir·rup·tive·ly, adverbun·ir·rup·tive, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for irruptive

British Dictionary definitions for irruptive

irruptive

/ (ɪˈrʌptɪv) /

adjective

irrupting or tending to irrupt
of, involving, or causing irruption
obsolete (of igneous rocks) intrusive

Derived Formsirruptively, adverb
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012