Definitions

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

  • n. A secret agreement between two or more parties for a fraudulent, illegal, or deceitful purpose.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A secret agreement for an illegal purpose; conspiracy.

from the GNU version of the Collaborative International Dictionary of English

  • n. A secret agreement and cooperation for a fraudulent or deceitful purpose; a playing into each other's hands; deceit; fraud; cunning.
  • n. An agreement between two or more persons to defraud a person of his rights, by the forms of law, or to obtain an object forbidden by law.

from The Century Dictionary and Cyclopedia

  • n. Secret agreement for a fraudulent or harmful purpose; a secret or crafty understanding for unworthy purposes.
  • n. Specifically, in law, a secret understanding between two or more persons to act or proceed as if adversely or at. variance with, or in apparent defiance of, one another's rights, in order to prejudice a third person or to obtain a remedy which could not as well be obtained by open concurrence.

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

  • n. secret agreement
  • n. agreement on a secret plot

Etymologies

Middle English, from Latin collūsiō, collūsiōn-, from collūsus, past participle of collūdere, to collude; see collude.
(American Heritage® Dictionary of the English Language, Fourth Edition)
Dated from the 14th Century CE; from Old French collusion, from Latin collusionem ("act of colluding"). (Wiktionary)

Examples

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  • "How is Palestine best defended? Is it by staying on the land, even if that staying involves collusion with the enemy to the extent that work must be sought in Israel for survival?" --Miriam Cooke, Arab Women Writers.

    September 9, 2012

  • the marker week

    June 25, 2010