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don't

[dohnt] /doʊnt/
verb
1.
contraction of do not.
2.
Nonstandard except in some dialects. contraction of does not.
noun
3.
don'ts, customs, rules, or regulations that forbid something:
The boss has a long list of don'ts that you had better observe if you want a promotion.
Compare do1 (def 55).
Usage note
Don't is the standard contraction for do not. As a contraction for does not, don't first appeared in writing in the latter half of the 17th century, about the same time as the first written appearance of other contracted forms with not, like mayn't and can't. Don't remained the standard contraction for does not in both speech and writing through the 18th century. During the 19th century, under pressure from those who thought it illogical and who preferred doesn't in that use, don't for does not gradually became less frequent in writing but continued to be common in speech. Don't for does not still occurs in the informal speech and in the personal writing of many Americans, including the well educated, especially in the Midland and Southern dialects. It does not occur in edited writing or formal speech.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples for don't
  • don't rule out the bottom shelf, you can find good-value bulk wines there.
  • Make sure the location has good drainage, since you don't want water to collect around the frame after every rain.
  • don't dare leave without trying one of these frosty, sweet, and slightly earthy gifts from the desert.
  • These branches should be well spaced along the trunk and should radiate in different directions so they don't shade each other.
  • If you don't notice the flies, look for tiny holes over sunken areas in the fruit.
  • If you don't lose weight, you're destined for diabetes.
  • If they rush through opening a puzzle, they don't skip the extra steps.
  • We don't have to talk late into the night about which form of government is better.
  • don't let prejudices, moral or artistic, cause prejudgments: keep an open mind as you read.
  • don't put too fine a point to your wit for fear it should get blunted.
British Dictionary definitions for don't

don't

/dəʊnt/
contraction
1.
do not
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for don't

contraction of do not, recorded from 1630s.

Online Etymology Dictionary, © 2010 Douglas Harper
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Slang definitions & phrases for don't

don't

noun

Something one should not or must not do; a NO-NO: The do's and don'ts of sailing a leaky barge


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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4
5
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