Vendetta

n.	1.	A blood feud; private revenge for the murder of a kinsman.
	2.	Any feud or contention that is bitter and prolonged; however, the deep enmity may be held by only one party to the dispute; as, the former Mayor nurtured a lifelong vendetta against the candidate who defeated him.

Noun

1.

vendetta - a feud in which members of the opposing parties murder each other Synonyms: blood feud

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