intrusion intrusion  /ɪn ˈtru ʒən/


  1. (n) any entry into an area not previously occupied
  2. (n) entrance by force or without permission or welcome
  3. (n) the forcing of molten rock into fissures or between strata of an earlier rock formation
  4. (n) rock produced by an intrusive process
  5. (n) entry to another's property without right or permission


  1. REM intrusion is a disorder in which the sleeping person's mind wakes up before his body does.
  2. The author's basic claim was that the KAL intrusion on Sept.
  3. The intrusion led to a bruising question period in the House of Commons.


  1. Government wiretapping signifies danger for press freedom

    Last month, the Justice Department was caught secretly obtaining telephone records of reporters and editors for The Associated Press. The news organization’s top executive called it "massive and unprecedented intrusion" into the news business.
    on June 21, 2013     Source: The DePaulia

  2. Pro bicycling's annual stop in Shorewood

    Shorewood residents have become accustomed to the annual intrusion of pro bicyclists on their tree-shaded streets, but for some the high-level criterium racing in the Tour of America's Dairyland remains a mystery.
    on June 21, 2013     Source:

  3. Plixer Enhances Scrutinizer NetFlow Analyzer

    Latest Version of Network Traffic Monitoring Strengthens IT Defenses From Malware -- Beyond Firewalls, Intrusion Detection Systems and Antivirus Solutions
    on June 21, 2013     Source: Marketwire

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definition of intrusion
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  1. "We feel that the strikes are an intrusion on our sovereignty which are not appreciated by the people at large, and the first aspect of this war is to win the hearts and mind of the people," Zardari said.
    on Nov 10, 2008 By: Asif Ali Zardari Source: USA Today

  2. "We found evidence of an intrusion last week and immediately notified federal law enforcement officials as well as the card brands," said Robert HB Baldwin Jr., Heartland's president and chief financial officer.
    on Jan 21, 2009 By: Robert H. B. Baldwin Source:

  3. "Given the gravity of the intrusion, the secret infiltration of an IT system in such a way that use of the system and its data can be searched can only be constitutionally allowed if clear evidence of a concrete threat to a prominent object of legal...
    on Feb 27, 2008 By: Hans-Jürgen Papier Source: Washington Post

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