intrusion

noun

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

Example Sentences

Recent Examples on the Web Following a public outcry, the Suzhou initiative was withdrawn after only four days, reflecting concerns of citizens over what was viewed as government intrusion into their private lives. Ann Scott Tyson, The Christian Science Monitor, 6 Dec. 2022 Providers cited concerns around government intrusion into their curriculum and mistrust that the grants would really be tax-free. Luca Powell And Derek Kravitz, Detroit Free Press, 28 Aug. 2022 But monkeypox is presenting new challenges in calibrating the right message to stop the rare virus from becoming endemic while limiting government intrusion into the bedroom. Fenit Nirappil And Amrita Jayakumar, Anchorage Daily News, 5 Aug. 2022 Republican committee members called the measure government intrusion and overreach at its most personal. Mike Schneider, BostonGlobe.com, 14 June 2022 The follow-up investigation determined that an intrusion began as early as July 31. Howard Blumestaff Writer, Los Angeles Times, 21 Jan. 2023 The initial intrusion occurred at the end of November, and T-Mobile discovered the activity on January 5. T-Mobile is one of the US's largest mobile carriers and is estimated to have more than 100 million customers. WIRED, 20 Jan. 2023 That intensity of devotion was what Skrzywanek sought to harness, in dramatizing what to some might seem a transgressive intrusion. Peter Marks, Washington Post, 19 Jan. 2023 This unwarranted intrusion into the physician-patient relationship threatens to undermine medical innovation and patient care. Joel Zinberg, WSJ, 12 Jan. 2023 See More

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.

Word History

Etymology

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

First Known Use

15th century, in the meaning defined at sense 1

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

Dictionary Entries Near intrusion

Cite this Entry

“Intrusion.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/intrusion. Accessed 4 Feb. 2023.

Kids Definition

intrusion

noun
in·​tru·​sion in-ˈtrü-zhən How to pronounce intrusion (audio)
1
: the act of intruding : the state of being intruded
2
: the entry by force of melted rock into or between other rock formations

Legal Definition

intrusion

noun
in·​tru·​sion in-ˈtrü-zhən How to pronounce intrusion (audio)
1
a
: 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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