The definition of Judas is a term used for someone who betrays you while pretending to be your friend.
The definition of a traitor is someone who betrays a country, cause or a friend.
Any of numerous long-tailed rodents of various families (esp. Muridae and Cricetidae) resembling, but larger than, the mouse: rats are very destructive pests and carriers of highly contagious diseases, as bubonic plague and typhus
One who double deals. A cheat or crook.
Reliance on something in the future; hope:
Find another word for double-crosser. In this page you can discover 7 synonyms, antonyms, idiomatic expressions, and related words for double-crosser, like: betrayer, judas, traitor, rat, double-dealer, two-timer and trust.