Irrupt definition

ĭ-rŭpt
Frequency:
To break or burst in.

The boys irrupted into the kitchen.

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(ecology) To increase rapidly in number, especially beyond the normal range.

Snowy owls that irrupted southward.

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To burst suddenly or violently (into)
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(ecol.) To increase abruptly in size of population.
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(ecology) To increase rapidly in number, especially beyond the normal range.

Snowy owls that irrupted southward.

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To break into.
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(intransitive) To enter forcibly or uninvited.
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(intransitive) To rapidly increase or intensify.
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Common misspelling of erupt.
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Origin of irrupt

  • Latin irrumpere irrupt- in- in in–2 rumpere to break reup- in Indo-European roots

    From American Heritage Dictionary of the English Language, 5th Edition

  • From Latin irrumpere.

    From Wiktionary