Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • adj. Secret or surreptitious; clandestine: a backdoor romance.
  • adj. Sports Of or directed toward a player who has slipped behind the opposing defense: a backdoor pass.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. Alternative spelling of back door.
  • v. Alternative spelling of back door.

from the GNU version of the Collaborative International Dictionary of English

  • adj. Acting from behind and in concealment; backstairs.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. an undocumented way to get access to a computer system or the data it contains
  • n. a secret or underhand means of access (to a place or a position)
  • n. an entrance at the rear of a building

Etymologies

From the phrase back door. (Wiktionary)

Examples

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