intrusion
noun
in·tru·sion
in-ˈtrü-zhən 
Examples of intrusion in a Sentence
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Todd Wolfson, the current president of the American Association of University Professors and a professor at Rutgers University, said the political intrusion into higher education is happening in other Southern states as well.
—
Lily Kepner, Austin American Statesman, 30 July 2025
The hackers combined the physical intrusion with remote access malware that used another novel technique to conceal itself, even from sophisticated forensic tools.
—Dan Goodin, ArsTechnica, 30 July 2025
However, due to increasing wind shear and the potential intrusion of Saharan dust, the likelihood of the system organizing into a tropical depression or storm is currently considered low.
—Hollie Silverman, MSNBC Newsweek, 20 July 2025
Adversaries are already using AI to bypass intrusion detection systems, dynamically adjust tactics and exploit algorithmic blind spots.
—Metin Kortak, Forbes.com, 10 July 2025
See All Example Sentences for intrusion
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Lily Kepner, Austin American Statesman, 30 July 2025
The hackers combined the physical intrusion with remote access malware that used another novel technique to conceal itself, even from sophisticated forensic tools.
—Dan Goodin, ArsTechnica, 30 July 2025
However, due to increasing wind shear and the potential intrusion of Saharan dust, the likelihood of the system organizing into a tropical depression or storm is currently considered low.
—Hollie Silverman, MSNBC Newsweek, 20 July 2025
Adversaries are already using AI to bypass intrusion detection systems, dynamically adjust tactics and exploit algorithmic blind spots.
—Metin Kortak, Forbes.com, 10 July 2025
See All Example Sentences for intrusion
Cite this Entry
“Intrusion.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/intrusion. Accessed 6 Aug. 2025.
Copy CitationKids Definition
intrusion
noun
in·tru·sion
in-ˈtrü-zhən
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
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 intrusion—Berger v. New York, 388 U.S. 41 (1968)
Berger v. New York, 388 U.S. 41 (1968)Love words? Need even more definitions?
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