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(dŭb′əl-krôs′, -krŏs′)
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.

dou′ble-cross′er n.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.double-crosser - a person who says one thing and does anotherdouble-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


One who betrays:
Informal: rat.
References in periodicals archive ?
However, any happy feelings will likely not last long, as not only is his risk of being exposed as a double-crosser incredibly high, but he's also the target of hatred for several people in Salem.
The kids tangle with the petnappers all over town, but all is nearly lost when Indiana suspects that Tom is a no-good double-crosser who's in cahoots with the bad guys.
It's a far cry from his usual world of low-life clients, and he must summon all of his skills as a double-crosser to survive.
Double-crosser Belmokhtar was kicked out as one of its top leaders in Mali in October after he was caught cheating other fighters.