irrupt

[ ih-ruhpt ]
/ ɪˈrʌpt /

verb (used without object)

to break or burst in suddenly.
to manifest violent activity or emotion, as a group of persons.
(of animals) to increase suddenly in numbers through a lessening of the number of deaths.

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Origin of irrupt

1850–55; < Latin irruptus; see irruption

OTHER WORDS FROM irrupt

un·ir·rupt·ed, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for irrupt

irrupt
/ (ɪˈrʌpt) /

verb (intr)

to enter forcibly or suddenly
(of a plant or animal population) to enter a region suddenly and in very large numbers
(of a population) to increase suddenly and greatly

Derived forms of irrupt

irruption, noun

Word Origin for irrupt

C19: from Latin irrumpere to rush into, invade, from rumpere to break, burst
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