Roget's Thesaurus of English Words and Phrases by Peter Mark Roget

avengeance†, sweet revenge, vendetta, death feud, blood for blood retaliation &c 718; day of reckoning. rancor, vindictiveness, implacability; malevolence &c 907; ruthlessness &c 914.1. avenger, vindicator, Nemesis, Eumenides. V. revenge, avenge; vindicate; take one's revenge, have one's revenge; breathe revenge, breathe vengeance; wreak one's vengeance, wreak one's anger. have accounts to settle, have a crow to pluck, have a bone to pick, have a rod in pickle. keep the wound green; harbor revenge, harbor vindictive feeling; bear malice; rankle, rankle in the breast. Adj. revengeful, vengeful; vindictive, rancorous; pitiless &c 914.1; ruthless, rigorous, avenging. unforgiving, unrelenting; inexorable, stony-hearted, implacable; relentless, remorseless. aeternum servans sub pectore vulnus [Lat.]; rankling; immitigable. Phr. manet ciratrix [Lat.], manet alid mente repostum [Lat.]; dies irae dies illa [Lat.]; in high vengeance there is noble scorn [G. Eliot]; inhumanum verbum est ultio [Lat.] [Seneca]; malevolus animus abditos dentes habet [Syrus]; now infidel I have thee on the hip [Merchant of Venice].