backstabbing
US /ˈbækˌstæb.ɪŋ/
UK /ˈbækˌstæb.ɪŋ/
1.
the act of betraying someone secretly or disloyally, especially a friend or colleague
:
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She was tired of all the backstabbing and gossip in the office.
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His reputation was ruined by constant backstabbing from his rivals.
1.
secretly or disloyally harming someone, especially a friend or colleague
:
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He's known for his backstabbing tactics.
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Avoid people who engage in backstabbing behavior.