[ ih-ruhpt ]
See synonyms for irrupt on
verb (used without object)
  1. to break or burst in suddenly.

  2. to manifest violent activity or emotion, as a group of persons.

  1. (of animals) to increase suddenly in numbers through a lessening of the number of deaths.

Origin of irrupt

1850–55; <Latin irruptus;see irruption

Other words from irrupt

  • un·ir·rupt·ed, adjective

Words Nearby irrupt Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

British Dictionary definitions for irrupt


/ (ɪˈrʌpt) /

  1. to enter forcibly or suddenly

  2. (of a plant or animal population) to enter a region suddenly and in very large numbers

  1. (of a population) to increase suddenly and greatly

Origin of irrupt

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

Derived forms of irrupt

  • irruption, noun

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