intrusion

noun
in·​tru·​sion | \ in-ˈtrü-zhən How to pronounce intrusion (audio) \

Definition of intrusion

1 : the act of intruding or the state of being intruded especially : the act of wrongfully entering upon, seizing, or taking possession of the property of another
2 : the forcible entry of molten rock or magma into or between other rock formations also : the intruded magma

Examples of intrusion in a Sentence

Recent Examples on the Web

Information from LabCorp and Quest Diagnostic were exposed through a cyber intrusion of American Medical Collection Agency. Leada Gore | Lgore@al.com, al.com, "LabCorp data breach hits 7.7 million customers: Are you one? What do you do now?," 7 June 2019 Crucially, if an intruder were to intercept the qubits, Alice and Bob could detect the intrusion, discard the qubits and start over—theoretically continuing until no one is eavesdropping on the quantum channel. Anil Ananthaswamy, Scientific American, "The Quantum Internet Is Emerging, One Experiment at a Time," 19 June 2019 Less is known about the Xenotime intrusion on the second critical facility. Dan Goodin, Ars Technica, "Hackers behind dangerous oil and gas intrusions are probing US power grids," 15 June 2019 Officials have taken some steps to limit the intrusion. Anchorage Daily News, "To board a plane without a ticket, just give up your face -- and your privacy," 11 June 2019 Officials have taken some steps to limit the intrusion. The Washington Post, The Mercury News, "Don’t smile for surveillance: Why airport face scans are a privacy trap," 10 June 2019 There are no intrusions here, no unexpected inquiries or announcements. Barry Lopez, Harper's magazine, "Polar Light," 10 Jan. 2019 Teams have grown increasingly resistant to being features on the show that runs weekly during training camp and the preseason because of intrusions. Carlos Monarrez, Detroit Free Press, "Detroit Lions have been told nothing about being on HBO's 'Hard Knocks'," 4 June 2019 Europeans care deeply about this issue, and have pushed back against Kremlin intrusions. Trudy Rubin, Philly.com, "NATO allies fear Trump will kick them, hug Putin | Trudy Rubin," 6 July 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'intrusion.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of intrusion

15th century, in the meaning defined at sense 1

History and Etymology for intrusion

Middle English, from Anglo-French, from Medieval Latin intrusion-, intrusio, from Latin intrudere

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Statistics for intrusion

Last Updated

8 Jul 2019

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Time Traveler for intrusion

The first known use of intrusion was in the 15th century

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More Definitions for intrusion

intrusion

noun
in·​tru·​sion | \ in-ˈtrü-zhən How to pronounce intrusion (audio) \

Kids Definition of intrusion

1 : the act of going or forcing in without being wanted
2 : something that goes in or interferes without being wanted The phone call was an unwelcome intrusion.

intrusion

noun
in·​tru·​sion | \ in-ˈtrü-zhən How to pronounce intrusion (audio) \

Legal Definition of intrusion

1a : the entry at common law of a stranger after a particular estate of freehold is determined before the person who holds it in remainder or reversion has taken possession
b : the act of wrongfully entering upon, seizing, or taking possession of the property of another
2 : a trespassing on or encroachment upon something (as a right) the Fourth Amendment demands that the showing of justification match the degree of intrusionBerger v. New York, 388 U.S. 41 (1968)

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More from Merriam-Webster on intrusion

Rhyming Dictionary: Words that rhyme with intrusion

Spanish Central: Translation of intrusion

Nglish: Translation of intrusion for Spanish Speakers

Britannica English: Translation of intrusion for Arabic Speakers

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