D defs.my
Entry 2 senses Webster, 1913

Vendetta

/vĕn-dĕt'-ə/ · Ven·det·ta · IPA /[vɛnˈdɛɾə]/
01 n. A blood feud; private revenge for the murder of a kinsman.
  1. 1.
    A blood feud; private revenge for the murder of a kinsman.
  2. 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.