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[slip-uhp] /ˈslɪpˌʌp/
a mistake, blunder, or oversight:
Several slip-ups caused a delay in the delivery of the books.
Origin of slip-up
First recorded in 1850-55; noun use of verb phrase slip up
error, lapse, bungle. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for slip-up
Contemporary Examples
Historical Examples
  • He was a discreet young man, and he wanted to be very sure there would be no slip-up.

    Comrade Yetta Albert Edwards
  • There was always the spectre of a slip-up, an aroused suspicion.

    Martyr Alan Edward Nourse
  • Did you ever notice how eagerly people relate the slip-up or stumble of those whom they have been praising?

    The Psychology of Salesmanship William Walker Atkinson
  • Again blows were struck and again A inquired ferociously as to the cause of the slip-up.

    Pieces of Hate Heywood Broun
  • If there is any slip-up, I, as the agent of both, will have to become responsible instead of you.

    Frenzied Finance Thomas W. Lawson
  • You may be foolhardy enough to try some slip-up game on him.

    Dixie Hart Will N. Harben
Slang definitions & phrases for slip-up



A miscalculation; an accident; glitch: There must have been a hell of a slip-up somewhere along the line (1874+)

The Dictionary of American Slang, Fourth Edition by Barbara Ann Kipfer, PhD. and Robert L. Chapman, Ph.D.
Copyright (C) 2007 by HarperCollins Publishers.
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