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or back-door

[bak-dawr, -dohr] /ˈbækˈdɔr, -ˈdoʊr/
secret; furtive; illicit; indirect.
Origin of backdoor
1605-15; adj. use of back door Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for backdoor
Contemporary Examples
Historical Examples
  • The last Royalist defender of safe measures had vanished through the backdoor.

    Lectures on the French Revolution John Emerich Edward Dalberg-Acton
  • It was as though he had walked round the house of literature, and peeped in at the backdoor.

    A Great Man Arnold Bennett
  • Early next morning, he tied up his clothes in his handkerchief, crept downstairs noiselessly and let himself out by the backdoor.

  • Instantly the backdoor assumed the chief position of interest.

    The Leavenworth Case Anna Katherine Green
  • When within a short distance of the old house a backdoor suddenly opened and fule-Tammy came out carrying a peat-keschie.

    Viking Boys Jessie Margaret Edmondston Saxby
Word Origin and History for backdoor

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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