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

  • n. The quality or habit of being inadvertent.
  • n. An instance of being inadvertent; an oversight or slip.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. The state or quality of being inadvertent; inadvertency; heedlessness; carelessness; negligence.
  • n. An effect or result of inattention; an oversight or mistake from negligence.

from the GNU version of the Collaborative International Dictionary of English

  • n. The quality of being inadvertent; lack of heedfulness or attentiveness; inattention; negligence.
  • n. An effect of inattention; a result of carelessness; an oversight, mistake, or fault from negligence.

from The Century Dictionary and Cyclopedia

  • n. The condition or character of being inadvertent; inattention; negligence; heedlessness.
  • n. An effect of inattention; an oversight, mistake, or fault proceeding from mental negligence.
  • n. Synonyms Oversight, etc. See negligence.

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

  • n. the trait of forgetting or ignoring your responsibilities
  • n. an unintentional omission resulting from failure to notice something


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

Middle English, from Old French, from Medieval Latin inadvertentia : Latin in-, not; see in-1 + Medieval Latin advertentia, advertence; see advertence.


  • It is sometimes said by those who should know better that there was no intention to give such great-powers to the Province or Dominion, and that the B.N. A. Act was passed as it were in inadvertence.

    Some Remarks on the Constitution of Canada and the United States

  • He did inform Mr. Fish, at any rate, on the 30th of July, and alleged "inadvertence" as the reason for his omission to do it before.

    Complete Project Gutenberg Oliver Wendell Holmes, Sr. Works

  • "inadvertence" requirement, such a conclusion is inconsistent with

    Libertarian Blog Place

  • "Was it the result of oversight or inadvertence or were there some employees in the company that were doing this without your knowledge or..." asked Cornyn R-Texas.

    HUFFPOST HILL - Google Probably Not Plus-1ing Today's News

  • He plays Harry Lockhart, a petty crook from New York who, by lurid inadvertence, is taken first for an actor, then for a private eye.

    Stylish Spectacle Makes This 'Mission' Possible

  • Charles E. Grassley Iowa, the ranking Republican on the Senate Judiciary Committee, initiated an inquiry to determine whether guns traveled to Mexico through inadvertence or deliberate policy on the part of U.S. law enforcement.

    U.S. let guns fall into drug cartels' hands, files show

  • Almost certainly by inadvertence, the book is also a journal of the tedium and essential pointlessness of spying—in short, a reliable description of the mundane realities of life in that hushed suburb of the real world, the intelligence community.

    Looking Back On the Spy Life

  • The transgressions, Summers and Kagan agreed, had surely been the “product of inadvertence.”

    Deconstructing Obama

  • What troubled Velvel most was this: Ogletree and Tribe could claim “inadvertence” because both likely had research assistants write chunks of their books for them.

    Deconstructing Obama

  • The situation raised the possibility of what the nuclear strategists call “inadvertence”—an accidental nuclear exchange.

    How the End Begins


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