irruptive

Variant of irrupt

irrupt definition

ir·rupt (i rupt′)

intransitive verb

  1. to burst suddenly or violently (into)
  2. Ecol. to increase abruptly in size of population

Etymology: < L irruptus, pp. of irrumpere, to break in: see in- & rupture

Related Forms:

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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