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

  • n. An unintentional omission or mistake.
  • n. Watchful care or management; supervision.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. An omission; something that is left out, missed or forgotten.
  • n. supervision or management

from the GNU version of the Collaborative International Dictionary of English

  • n. Watchful care; superintendence; general supervision.
  • n. An overlooking; an omission; an error.
  • n. Escape from an overlooked peril.

from The Century Dictionary and Cyclopedia

  • n. Superintendence; inspection; watchful care.
  • n. A mistake of inadvertence; an overlooking; omission; error.
  • n. Synonyms Supervision, inspection, control, direction, management, charge.
  • n. Inadvertence, etc. (see negligence), mistake, blunder, slip.

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

  • n. management by overseeing the performance or operation of a person or group
  • n. a mistake resulting from inattention
  • n. an unintentional omission resulting from failure to notice something


from Wiktionary, Creative Commons Attribution/Share-Alike License

over- +‎ sight.



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  • Perilously close to an autantonym: the two opposing meanings are equally old, going back to the 1400s.

    March 26, 2009