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

  • n. The act or an instance of omitting.
  • n. The state of having been omitted.
  • n. Something omitted or neglected.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. The act of omitting.
  • n. The act of neglecting to perform an action one has an obligation to do.
  • n. Something deleted or left out.
  • n. Something not done or neglected.
  • n. The shortening of a word or phrase, using an apostrophe ( ' ) to replace the missing letters, often used to approximate the sound of speech or a specific dialect.

from the GNU version of the Collaborative International Dictionary of English

  • n. The act of omitting; neglect or failure to do something required by propriety or duty.
  • n. That which is omitted or is left undone.

from The Century Dictionary and Cyclopedia

  • n. The act of omitting.
  • n. The act of leaving out: as, the omission of a paragraph in a printed article.
  • n. That which is omitted or left out.

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

  • n. something that has been omitted
  • n. any process whereby sounds or words are left out of spoken words or phrases
  • n. neglecting to do something; leaving out or passing over something
  • n. a mistake resulting from neglect


Middle English, from Old French, from Late Latin omissiō, omissiōn-, from Latin omissus, past participle of omittere, to disregard; see omit.
(American Heritage® Dictionary of the English Language, Fourth Edition)
Originally from Latin, omittere ("to send"). Post-classical Latin introduced the term omission; from the past participial stem of omittere, omiss- and the suffix -ion. This word was taken into Middle French and subsequently Anglo-Norman which heavily influenced the English language. (Wiktionary)



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