backstab

[ bak-stab ]
/ ˈbækˌstæb /

verb (used with object), back·stabbed, back·stab·bing.

to attempt to discredit (a person) by underhanded means, as innuendo, accusation, or the like.

Origin of backstab

First recorded in 1920–25; back2 + stab

OTHER WORDS FROM backstab

back·stab·ber, noun

British Dictionary definitions for back-stabbing

back-stabbing

noun

actions or remarks that are treacherous and likely to cause harm to a person, esp a friend or colleague