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intr.v. ir·rupt·ed, ir·rupt·ing, ir·rupts
1. To break or burst in: The boys irrupted into the kitchen.
2. Ecology To increase rapidly in number, especially beyond the normal range: snowy owls that irrupted southward.
[Latin irrumpere, irrupt- : in-, in; see in-2 + rumpere, to break; see reup- in Indo-European roots.]
1. to enter forcibly or suddenly
2. (Biology) (of a plant or animal population) to enter a region suddenly and in very large numbers
3. (of a population) to increase suddenly and greatly
[C19: from Latin irrumpere to rush into, invade, from rumpere to break, burst]
1. to break or burst in suddenly.
2. to manifest violent activity or emotion, as a group of persons.
3. (of animals) to increase suddenly in numbers through a lessening of the number of deaths.
[1850–55; < Latin irrumpere to burst (into), force an entrance =ir- ir-1 + rumpere to burst]
Past participle: irrupted
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|Verb||1.||irrupt - enter uninvited; "They intruded on our dinner party"; "She irrupted into our sitting room"|
break in - intrude on uninvited; "The nosy couple broke in on our conversation"
come in, enter, get in, go in, go into, move into, get into - to come or go into; "the boat entered an area of shallow marshes"
bother - intrude or enter uninvited; "Don't bother the professor while she is grading term papers"
move in on - make intrusive advances towards
|2.||irrupt - erupt or intensify suddenly; "Unrest erupted in the country"; "Tempers flared at the meeting"; "The crowd irrupted into a burst of patriotism"|
|3.||irrupt - increase rapidly and in an uncontrolled manner; "The population of India is exploding"; "The island's rodent population irrupted"|
increase - become bigger or greater in amount; "The amount of work increased"