Definition of "knifing" []

• An instance of stabbing with a knife. (noun)
• Present participle of knife. (verb)

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• "Every veteran conservative activist knows so-called “moderate” Republican politicians who specialize in knifing conservative Republicans in the back."
• "Stripping line from the reel, he rocketed across a barely submerged gravel bar, dorsal fin knifing the air."
• "He had obviously been enjoying the idea of knifing a man in the back."