Definitions

from The Century Dictionary.

  • noun A bursting in; a breaking or rushing into a place; a sudden invasion or incursion.
  • noun Synonyms Foray, raid.

from the GNU version of the Collaborative International Dictionary of English.

  • noun A bursting in; a sudden, violent rushing into a place.
  • noun A sudden and violent inroad, or entrance of invaders.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun The action of irrupting or breaking into; a violent entry or invasion; an inbreaking; an intrusion.
  • noun An abrupt increase of numbers of a particular animal.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun a sudden violent spontaneous occurrence (usually of some undesirable condition)
  • noun a sudden sharp increase in the relative numbers of a population
  • noun a sudden violent entrance; a bursting in

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

From Latin irruptio.

Examples

  • The white, two-foot-tall birds, which live in the Arctic the rest of the year, are known to fly south in large numbers every few winters in what is known as an irruption.

    NYT > Home Page

  • The white, two-foot-tall birds, which live in the Arctic the rest of the year, are known to fly south in large numbers every few winters in what is known as an irruption.

    NYT > Global Home

  • And should the "political" be defined as the irruption of something that is denied recognition?

    Blogbot - forsiden

  • And should the "political" be defined as the irruption of something that is denied recognition?

    Blogbot - forsiden

  • And should the "political" be defined as the irruption of something that is denied recognition?

    Blogbot - forsiden

  • Charlotte is poorly with cold and toothache attended with a general kind of irruption on the skin.

    Letter 298

  • This massive bird migration is called an "irruption", and apparently an irruption of this proportion is extremely rare.

    canada invades u.s.!

  • This massive bird migration is called an "irruption", and apparently an irruption of this proportion is extremely rare.

    Archive 2005-03-01

  • The irruption followed larger, multiple border-rushings three weeks ago on Nabka "catastrophe" Day, following the anniversary of Israel's independence.

    The Syrian Diversion

  • The mullahs have appointed themselves the enemy of fun; as a result, wherever fun herniates into view, it is a politicized irruption of defiance.

    Iran Bans Valentine's Day

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