Betray someone: it was very competitive, with everyone stabbing everyone else in the back
More example sentences
- There are some people whom I regarded as friends, but they stabbed me in the back; there are those that I injured by mistake, but they were actually good people in retrospect.
- The district council has stabbed us in the back.
- Given the opportunity, the powerful will exploit the weak, and the person you love might betray you, stabbing you in the back.
betray, be disloyal to, be unfaithful to, desert, break one's promise to, double-cross, break faith with, sell out, play false, inform on/against
informal tell on, sell down the river, blow the whistle on, squeal on, stitch up, peach on, do the dirty on
British informal grass on, shop
North American informal rat out, finger, drop a/the dime on
Australian informal pimp on, pool, put someone's pot on