What is another word for sell someone out?
Pronunciation: [sˈɛl sˈʌmwɒn ˈa͡ʊt] (IPA) 
There are several synonyms for the term "sell someone out" which refers to betraying someone for personal gain. One common synonym is "stab in the back," which alludes to the act of attacking someone from behind. Another synonym is "double-cross," which suggests duplicity and deceit. "Betray" is another option for describing an act of disloyalty. Other synonyms include "backstab," "sell down the river," and "turncoat." All of these terms can convey a sense of betrayal and are useful for describing situations where someone has been let down by someone they trusted. Although they have slightly different connotations, all of these synonyms describe a similar form of deception.
