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From Old French omission, from Latin omissio



omission (countable and uncountable, plural omissions)

  1. The act of omitting.
  2. The act of neglecting to perform an action one has an obligation to do.
  3. Something deleted or left out.
    The suspicious omissions in the new edition of the book attracted claims of censorship.
  4. Something not done or neglected.
  5. (grammar) 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.

Usage notes[edit]

Following are common examples of omission using an apostrophe:

six o’clock (shortening of “six of the clock”)
The high school class of ’69 (shortening of “1969”)
O’er there (shortening of “over there”)
  • From Mark Twain, The Adventures of Huckleberry Finn:
    S’pose people left money laying around where he was—what did he do? He collared it. S’pose he contracted to do a thing; and you paid him, and didn’t set down there and see that he done it—what did he do? He always done the other thing. S’pose he opened his mouth—what then? If he didn't shut it up powerful quick, he'd lose a lie, every time. That’s the kind of a bug Henry was; and if we’d ’a’ had him along ’stead of our kings, he’d ’a’ fooled that town a heap worse than ourn done.


The translations below need to be checked and inserted above into the appropriate translation tables, removing any numbers. Numbers do not necessarily match those in definitions. See instructions at Wiktionary:Entry layout#Translations.

See also[edit]



Borrowed from Late Latin omissio. See omettre and -tion.



omission f (plural omissions)

  1. omission (act of omitting)
    Synonyms: prétérition

Further reading[edit]