Definition of irrupt in US English:



[no object]
  • 1Enter forcibly or suddenly.

    ‘absurdities continually irrupt into the narrative’
    • ‘Neither the Great Depression nor the Second World War dampened the impetus with which Argentina irrupted into the twentieth century.’
    • ‘Still addressing me with tearful insults and telling me that I was a coward, she irrupted in the living room with a large knife in her hands.’
    • ‘He had no right to irrupt back into my life after all this time.’
    • ‘Derrida irrupted into Western philosophy from the repressed margin of the imperial West.’
    • ‘War irrupts convulsively into the history of civilizations as a loss of control, partially managed by competing political interests.’
    go in, go into, come in, come into, get in, get into, set foot in, cross the threshold of, pass into, move into, gain access to, be admitted to, effect an entrance into, make an entrance into, break into, burst into, irrupt into, intrude into, invade, infiltrate
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    1. 1.1 (of a bird or other animal) migrate into an area in abnormally large numbers.
      • ‘After protests by many, the horticultural industry developed a sterile hybrid with the same luscious cadmium blossoms but no ability to irrupt.’
      • ‘And in winter, they sometimes irrupt, or move south of their more usual range in large numbers.’
      • ‘But climate change, restoration, biotechnology, and irrupting species have forced ecologists to consider what was, in order to imagine what ought to be.’
      • ‘My neighbors in Tucson, for instance, planted South African sweet gum that irrupted into the Sonoran desert and covered cactus and other indigenous shrubs.’


Mid 19th century: (earlier ( mid 16th century) as irruption) from Latin irrupt- ‘broken into’, from the verb irrumpere, from in- ‘into’ + rumpere ‘break’.