ven·geance 
/ˈvɛnʤəns/ noun
/ˈvɛnʤəns/ noun [noncount] : the act of doing something to hurt someone because that person did something that hurt you or someone else
▪ The fire was set as an act of vengeance. ▪ He swore vengeance [=revenge] against his son's kidnapper. ▪ Angry protesters wanted to inflict vengeance on the killer.
▪ The fire was set as an act of vengeance. ▪ He swore vengeance [=revenge] against his son's kidnapper. ▪ Angry protesters wanted to inflict vengeance on the killer.
with a vengeance
: with great force or effort
▪ After losing the first three games, the team came back with a vengeance to win the next four. ▪ She set to work with a vengeance and finished the job in two hours.
▪ After losing the first three games, the team came back with a vengeance to win the next four. ▪ She set to work with a vengeance and finished the job in two hours.
