emphasis If you say that something happens with a vengeance, you are emphasizing that it happens to a much greater extent than was expected. It began to rain again with a vengeance
the act of taking revenge (harming someone in retaliation for something harmful that they have done) especially in the next life; "Vengeance is mine; I will repay, saith the Lord"--Romans 12: 19; "For vengeance I would do nothing This nation is too great to look for mere revenge"--James Garfield; "he swore vengeance on the man who betrayed him"; "the swiftness of divine retribution"
This nation is too great to look for mere revenge"--James Garfield; "he swore vengeance on the man who betrayed him"; "the swiftness of divine retribution
Vengeance is the act of killing, injuring, or harming someone because they have harmed you. He swore vengeance on everyone involved in the murder = revenge