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back door

noun
1.
a door at the rear of a house, building, etc.
2.
a secret, furtive, or illicit method, manner, or means.
Origin
1520-1530
1520-30

backdoor

[bak-dawr, -dohr] /ˈbækˈdɔr, -ˈdoʊr/
adjective
1.
secret; furtive; illicit; indirect.
Also, back-door.
Origin
1605-15; adj. use of back door
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for back-door

back door

noun
1.
a door at the rear or side of a building
2.
  1. a means of entry to a job, position, etc, that is secret, underhand, or obtained through influence
  2. (as modifier) a backdoor way of making firms pay more
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 back-door

backdoor

adj.

also back-door, "devious, shady, illegal," 1640s. The notion is of business done out of public view. The noun back door in the literal sense is from 1520s, from back (adj.) + door. The association with sodomy is at least from 19c.; cf. also back-door man "a married woman's lover," black slang, early 20c.

Online Etymology Dictionary, © 2010 Douglas Harper
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Slang definitions & phrases for back-door

back-door

adjective

Dishonest; dubious •Earlier senses were ''secret, clandestine'' and ''illegitimate, bastard'': a sleazy little back-door business (1900s+)


back door

noun phrase
  1. A devious, shady, and perhaps illegal means: The US Government may be able to use a ''back door'' into Microsoft Windows to infiltrate computers worldwide (1581+)
  2. The anus; asshole (1600s+)

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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Idioms and Phrases with back-door
.
An entry at the rear of a building, as in Deliveries are supposed to be made at the back door only. [ First half of 1500s ]
.
A clandestine, unauthorized, or illegal way of operating. For example, Salesmen are constantly trying to push their products by offering special gifts through the back door. This term alludes to the fact that the back door cannot be seen from the front. [ Late 1500s ]
The American Heritage® Idioms Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Word Value for back

12
14
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