(transitive) to attack someone (especially verbally) unfairly in a deceitful, underhand, or treacherous manner, especially when they're not present in the place or situation that it happens. (as if stabbing them in the back). See backbite.

simple past tense and past participle of backstab

Third-person singular simple present indicative form of backstab

plural of backstabbing

present participle of backstab

The act of one who backstabs.

plural of backstabber

A traitor or hypocrite, such as a co-worker or friend assumed trustworthy but who figuratively attacks when one's back is turned.

comparative form of backstabby: more backstabby

superlative form of backstabby: most backstabby