backstabbed Synonyms

Strongest:

betrayal (as by a verbal attack against one not present) especially by a false friend

He felt utterly betrayed when his friend backstabbed him by stealing his business idea.
The company backstabbed its loyal employees by laying them off without notice.
The politician backstabbed his party by joining the opposition.
The student was shocked and hurt when his classmate backstabbed him by spreading rumors about him.
The athlete was devastated after he realized that his teammate had backstabbed him by sabotaging his performance.
The trust between the siblings was shattered when one backstabbed the other for personal gain.
The girlfriend was heartbroken when she discovered that her boyfriend had backstabbed her by cheating on her.
The employee felt a deep sense of betrayal when her boss backstabbed her by giving her negative performance reviews.
The friend group was torn apart after one member backstabbed the others by spreading malicious gossip.
The backstabbing behavior of the colleague created a toxic work environment.

betrayal (as by a verbal attack against one not present) especially by a false friend

betrayed, double-crossed, crossed,sold (out), sold down the river, two-timed, stabbed in the back, told (on), gave away, snitched (on)

guarded,protected, saved, defended,stood by, shielded,safeguarded

He felt utterly betrayed when his friend backstabbed him by stealing his business idea.

The company backstabbed its loyal employees by laying them off without notice.

The politician backstabbed his party by joining the opposition.

The student was shocked and hurt when his classmate backstabbed him by spreading rumors about him.