Instance of treachery (8)

I believe the answer is:

betrayal

(Other definitions for betrayal that I've seen before include "Treacherous act" , "Breaking of trust" , "sale" , "The crime of Judas" , "Act of treachery" .)

I've seen this clue in the Sydney Morning Herald.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.