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tr.v. dou·ble-crossed, dou·ble-cross·ing, dou·ble-cross·es
To betray by acting in contradiction to a prior agreement. See Synonyms at deceive.
1. often double cross An act of betraying an ally, friend, or associate.
2. double cross Genetics A cross in which each parent is the product of a single cross. It can be represented as AB × CD, where A, B, C, and D are inbred lines.
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|Noun||1.||double-crosser - a person who says one thing and does another|
beguiler, cheater, deceiver, trickster, slicker, cheat - someone who leads you to believe something that is not true
Judas - someone who betrays under the guise of friendship