irrupt

verb ir·rupt \i-ˈrəpt\

Definition of IRRUPT

intransitive verb

: to rush in forcibly or violently

of a natural population : to undergo a sudden upsurge in numbers especially when natural ecological balances and checks are disturbed

: erupt 1c <the crowd irrupted in a fervor of patriotism — Time>

— ir·rup·tion \-ˈrəp-shən\ noun

See irrupt defined for kids

Latin irruptus, past participle of irrumpere, from in- + rumpere to break — more at reave

First Known Use: 1886

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