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

  • transitive v. To put or force in inappropriately, especially without invitation, fitness, or permission: intruded opinion into a factual report.
  • transitive v. Geology To thrust (molten rock) into preexisting rock.
  • intransitive v. To come in rudely or inappropriately; enter as an improper or unwanted element: "Unpleasant realities have intruded on [his] presidential dreams” ( Alexander Stille).

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • v. to enter without permission

from the GNU version of the Collaborative International Dictionary of English

  • intransitive v. To thrust one's self in; to come or go in without invitation, permission, or welcome; to encroach; to trespass
  • transitive v. To thrust or force (something) in or upon; especially, to force (one's self) in without leave or welcome
  • transitive v. To enter by force; to invade.
  • transitive v. The cause to enter or force a way, as into the crevices of rocks.

from The Century Dictionary and Cyclopedia

  • To thrust in; bring in forcibly.
  • To thrust or bring in without necessity or right; bring forward unwarrantably or inappropriately: often used reflexively.
  • To push or crowd in; thrust into some unusual, improper, or abnormal place or position: as, intruded rocks or dikes in a geological formation.
  • To enter forcibly; invade.
  • To come or appear as if thrust in; enter without necessity or warrant; especially, to come in unbidden and unwelcomely: as, to intrude upon a private circle; to intrude where one is not wanted.
  • Synonyms Encroach upon, Infringe upon, etc. See trespass, v. i. Intrude, Obtrude. The essential difference between these words lies in the prepositions: intrude, to thrust one's self into places, invading privacy or private rights; obtrude, to thrust one's self out beyond modesty or the limits proper to ourselves, and offensively against the attention, etc., of others.

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

  • v. search or inquire in a meddlesome way
  • v. enter uninvited
  • v. enter unlawfully on someone's property
  • v. thrust oneself in as if by force


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

Middle English intruden, from Latin intrūdere, intrūs-, to thrust in : in-, in; see in-2 + trūdere, to thrust; see treud- in Indo-European roots.


  • Sorry to intrude from the other side of the world.

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  • Do not think, dear Mr.. Martin, that you or Mr. Martin can ever 'intrude' -- you know you use that word in your letter.

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  • Justin Bieber 's name intrude on your Twitter stream ever again.


  • I think there is a degree of trust that anyone must have with you when you 'intrude' into their life with a lens.

    Anne B. Kelly: Smolder and Shoot: Photographer Tasya Van Ree

  • But isn't it maddening to see, only days later, the first stubborn weeds "intrude" on the order you created?

    Roger Fransecky: Let Us Give Thanks

  • I spent many years building up walls, creating my own very private life, getting upset at anyone who tried to 'intrude' on my world and only letting a few chosen people in only those who wouldn't disrupt my routine or interfere with my privacy.

    Botswana 2008: Here Comes the Sun

  • Number two, you had the Georgia situation intrude which is perfect for McCain.

    CNN Transcript Aug 19, 2008

  • I don't really know why we Americans always say "intrude" instead of "obtrude," but I note that although both words contain the word "rude," "obtrude" sounds more rude.

    Archive 2007-08-01

  • Then those who "intrude" (thrust, that is) themselves into the fold, who by natural insolence of heart, and stout eloquence of tongue, and fearlessly perseverant self-assertion, obtain hearing and authority with the common crowd.

    Harvard Classics Volume 28 Essays English and American

  • O'Reilly's concern for the privacy of his viewers is odd when viewed in light of the fact that he dispatches producers to "intrude" on the lives of private citizens on a regular basis.

    Original Signal - Transmitting Buzz


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