Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. The act of intruding or the condition of being intruded on.
  • n. An inappropriate or unwelcome addition.
  • n. Law Illegal entry upon or appropriation of the property of another.
  • n. Geology The forcing of molten rock into an earlier formation.
  • n. Geology The rock mass produced by an intrusive process.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. The forcible inclusion or entry of an external group or individual; the act of intruding.
  • n. Magma forced into other rock formations; the rock formed when such magma solidifies.

from the GNU version of the Collaborative International Dictionary of English

  • n. The act of intruding, or of forcing in; especially, the forcing (one's self) into a place without right or welcome; encroachment.
  • n. The penetrating of one rock, while in a plastic or metal state, into the cavities of another.
  • n. The entry of a stranger, after a particular estate or freehold is determined, before the person who holds in remainder or reversion has taken possession.
  • n. The settlement of a minister over a congregation without their consent.

from The Century Dictionary and Cyclopedia

  • n. The act of intruding; the act of entering without warrant or justification; unbidden, unwelcome, or unfit entrance into or upon anything.
  • n. Specifically, in law: A wrongful entry after the determination of a particular estate, say for life, and before the freehold remainderman or reversioner can enter.
  • n. In English law, any trespass committed on the public lands of the crown, as by entering thereon without title, holding over after a lease is determined, taking the profits, cutting down timber, and the like.
  • n. Usurpation, as of an office.—
  • n. A thrusting or pushing in, as of something out of place; irregular or abnormal entrance or irruption: as, an intrusion of foreign matter; the intrusion of extrinsic rocks or dikes in a geological formation. See intrusive rocks, under intrusive.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

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

Etymologies

Sorry, no etymologies found.

Examples

  • Canonists also extend the term intrusion to the keeping possession of a benefice by a hitherto lawful possessor, after it has been vacated by violation of certain decrees of the Church.

    The Catholic Encyclopedia, Volume 8: Infamy-Lapparent

  • There wasn't a lot of what they call intrusion into the cabin.

    CNN Transcript Oct 11, 2007

  • It is the fashion of a modern school of historical writers to deplore what they call the intrusion of literature into history.

    Historical and Political Essays

  • Dr. Mausner said the newly office-less employees might be feeling both what he called intrusion anxiety and exposure anxiety.

    NYT > Home Page

  • Those who say they were contacted to become informants express alarm at what they call intrusion in places of worship and private lives without reasonable cause.

    detnews.com - Nation-World

  • Second, what does it say about ourselves if we think this kind of intrusion is acceptable?

    Creepy Birthday to You

  • Birth control pills are also condemned by Church doctrine, so how much power does the Church really want in intrusion into personal choice and state issues. – too much!

    Bishops slam 'unacceptable' health care bill

  • This week's intrusion from the outside world comes courtesy of Becky's mum and dad, whose discomfort in the flat is inevitably confounded by Steve's inability to not be an idiot: Are you sure you don't want a yoghurt?

    Tonight's TV highlights

  • The intrusion is minimal and the investigation is ongoing (that is, the police have no yet established that no laws are being broken — that is precisely what they are attempting to figure out by identifying the unknown man and determining if he is a trespasser).

    The Volokh Conspiracy » An Interesting Case Involving Open Carry, Defense of Property, and Allegedly Resisting Arrest

  • But so far, the only physical assistance the Coast Guard approved toward fighting the oil intrusion is allowing fishermen trained in installing oil barrier buoys to place booms that could block some of the surface oil.

    Oil spill reaches Louisiana shore

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