English edit

Adjective edit

irruptive (comparative more irruptive, superlative most irruptive)

  1. Having the quality of irrupting or making irruptions.

Derived terms edit

Noun edit

irruptive (plural irruptives)

  1. An organism that is suddenly more prevalent in a region, due to irruption.
    • 1988 June 17, Jerry Sullivan, “Field & Street”, in Chicago Reader[1]:
      Connor advises birders to wait until late in the winter to look for irruptives.